Both the number of knots and the degree of a spline regression model contribute to its flexibility. While increasing these values can help capture more complex patterns in the data, it's essential to strike a balance to avoid overfitting and to maintain the model's generalizability.
The relationship between the number of knots, the degree of a spline regression model, and model flexibility.
1. Number of knots: In spline regression, knots are the points at which the polynomial segments are joined together. As you increase the number of knots, you allow the model to follow more closely the structure of the data, increasing its flexibility.
2. Degree of the spline: The degree of a spline regression model refers to the highest power of the polynomial segments that make up the spline. A higher degree allows the model to capture more complex patterns in the data, increasing its flexibility.
The relationship between these terms and model flexibility can be summarized as follows:
- As the number of knots increases, the model becomes more flexible, as it can follow the data more closely. However, this may also result in overfitting, where the model captures too much of the noise in the data.
- As the degree of the spline increases, the model also becomes more flexible, since it can capture more complex patterns. Again, there is a risk of overfitting if the degree is set too high.
In summary, both the number of knots and the degree of a spline regression model contribute to its flexibility. While increasing these values can help capture more complex patterns in the data, it's essential to strike a balance to avoid overfitting and to maintain the model's generalizability.
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Rider complete 160 lap the race to complete the race. With each lap meauring 0. 25km. If a ride ha already cylcled 4. 75km how many lap doe he have left to finih the race
The rider has 141 laps left to finish the race.
If a rider has already cycled 4.75 km, and each lap measures 0.25 km, we can determine how many laps the rider has completed by dividing the distance already cycled by the distance per lap.
To find out how many laps the rider has left to finish the race, we will use the information on the total number of laps to complete the race: 160 laps.
The rider has completed:
4.75 km / 0.25 km = 19 laps
The rider has yet to finish:
160 laps - 19 laps = 141 laps
So the rider has 141 laps left to finish the race.
Therefore, the rider has 141 laps left to finish the race.
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Solve the perimeter of this shape
The perimeters of the two composite figures are listed below:
Case C: 50.913π mm
Case D: 20.310 cm
How to determine the perimeter of a composite figure
In this problem we find two composite figures, whose perimeter have to be found. Perimeter is the length of all borders of the figure. The first figure is formed two semicircles and the second figure is formed by two semicircles and two right triangles, whose perimeter formulas are:
Semicircle
s = π · r
Triangle
s = b + h + p
Where:
r - Radius, in length unit.b - Width, in length unit.h - Height, in length unit.p - Hypotenuse, in length unit.Case c - The perimeter of the shape is:
s = π · (28 mm) + π · (14 mm) + 28 mm
s = 50.913π mm
Case d - The perimeter of the shape is:
s = 2π · (1.8 cm) + 2 · (4.5 cm)
s = 20.310 cm
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If the scale on a map is 1 inch to 20 miles; what is the actual distance between two towns that are 3 inches apart on the map?
The two towns are distance 60 miles apart in the real world if they are 3 inches apart on a map with a scale of 1 inch to 20 miles.
60 miles
1 inch = 20 miles
3 inches = 20 miles x 3 = 60 miles
The scale of a map is a way of expressing the relationship between the distances on the map and the actual distances in the world. If the scale on a map is 1 inch to 20 miles then it means that 1 inch on the map represents 20 miles in the real world. If two towns are 3 inches apart on the map, then this means that the actual distance between them is 3 times the scale, or 3 x 20 miles = 60 miles.
The two towns are 60 miles apart in the real world if they are 3 inches apart on a map with a scale of 1 inch to 20 miles.
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What does 2 exponent mean?
Exponent 2 means the number of times one number is multiplied. The number of time the base is multiplied.
The Exponents refers to the repeated multiplication of the same thing by itself.
For example, [tex]x^{2}[/tex] . here 2 is the exponent and x is the base. Then we can write it as x . x . The base is multiplied by 2 time by itself.
Exponents are also called powers or orders. This is the shorthand for repeated multiplication of the same thing by itself. This process of using exponents is called "raising to a power" where the exponent is the "power". The expression [tex]4^{3}[/tex] is pronounced as four raised to the third power", "four, raised to the power three", or "four to the third". It stands for many times the value is being multiplied.
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What is the domain of the function answer?
The domain of a function is the set of all possible input values for which the function produces a valid output.
The domain of a function is the set of all possible input values for which the function produces a valid output. To find the domain of a specific function, you will need to look at the equation and determine what values are acceptable for the inputs. For example, if the equation is y = x2 + 5, then the domain of the function would be all real numbers, since any real number can be plugged in for x and the equation will produce a valid output.
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I dont get this one help me
The solution to the expression when x = 3 is 0
What is an equation?An equation is an expression that shows the relationship between variables and numbers.
Given the diagram, the small white squares represent 1, while the big shaded rectangle represent -x.
The diagram shown represents the expression:
-x + 1 + 1 + 1 (they is one big shaded rectangle and three white small squares)
= -x + 3
Substituting x = 3 gives:
= -(3) + 3
= 0
The solution is 0
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Smith and Frank thought of the same number. They multiplied the number by 5 and then increased the product by 5 for a final result of -80. Of what number were they thinking?
Answer
-17
Step-by-step explanation:
5 times -17= -85 and then add 5 = -80
A soft drink is available in two packs - (i) a tin can with a rectangular base of length 5 cm and width 4 cm, having a height of 15 cm and (ii) a plastic cylinder with circular base of diameter 7 cm and height 10 cm. Which container has greater capacity and by how much?
Answer: To find the capacity of the tin can, we can use the formula for the volume of a rectangular prism, which is length x width x height. In this case, the length is 5 cm, the width is 4 cm, and the height is 15 cm. So the volume of the tin can is 5 x 4 x 15 = 300 cubic cm.
To find the capacity of the plastic cylinder, we can use the formula for the volume of a cylinder, which is pi x radius squared x height. The diameter of the circular base is 7 cm, so the radius is half of that, or 3.5 cm. So the volume of the plastic cylinder is pi x (3.5 cm)^2 x 10 cm = 385.4 cubic cm.
So the plastic cylinder has a greater capacity by 385.4 - 300 = 85.4 cubic cm.
Step-by-step explanation:
More potential energy can be stored by moving against the magnetic force closer to a magnet.
Which variable will you test and which variables will you keep the same?
The response to claim A and Claim B on potential energy being stored in a magnet in terms of the given options is that;
Claim A; I think So
Claim B; Definitely Not
How to illustrate the claim?Claim A; This claim is true because If we move a magnet against the magnetic force of a stronger magnet, the motion will make the magnetic field lines to be compressed and this would lead to an increase in potential energy since the magnetic force lines will now be compressed.
Thus, the claim is correct that there is more potential energy that can be stored by moving against the magnetic force of a stronger magnet.
Claim B; Unlike claim A where the magnets were being moved from each other, in this case they are moved closer to each other and therefore this causes a greater compression of space which will lead to a loss in potential energy. Therefore this claim is not true.
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Complete question
Claim A: More potential energy can be stored by moving against the magnetic force of a stronger magnet.
definitely
I think so
I don't know
I don't think so
definitely not
Explain why, using evidence from the activities you have done.
Do you agree with Claim B, More potential energy can be stored by moving against the magnetic force closer to a magnet?
definitely
I think so
I don't know
I don't think so
definitely not
Explain why, using evidence from the activities you have done.
help me please this determines my grade
Answer:
no the points shown would not be part of y =0.5x
4. The 6th term of an arithmetic series is 13, the sum of the first 40 terms is 3420. Find
the sum of the first 30 terms.
Answer:
2145
Step-by-step explanation:
Here is the formula for the sum of the first n terms.
[tex]S_n=\frac{n}{2}(2a_1+(n-1)d)[/tex]
Here is the formula for the nth term.
[tex]a_n=a_1+(n-1)d[/tex]
We are given
[tex]a_6=13[/tex]
[tex]S_{40}=3420[/tex]
[tex]3420=\frac{40}{2}(2a_1+(40-1)d)[/tex]
[tex]13=a_1+(6-1)d[/tex]
We don't have a lot to work with but we can get it done.
Lets solve for [tex]a_1[/tex] in [tex]S_n=\frac{n}{2}(2a_1+(n-1)d)[/tex].
Multiply each term by [tex]\frac{2}{n}[/tex].
[tex]\frac{n}{2}(2a_1+(n-1)d)\frac{2}{n} =S_n\frac{2}{n}[/tex]
Simplify.
[tex]\frac{n}{2}*(2a_1+nd-d)\frac{2}{n} =S_n\frac{2}{n}[/tex]
Apply the distributive property.
[tex][\frac{n}{2} (2a_1)+\frac{n}{2} (nd)+\frac{n}{2} (-d)]\frac{2}{n} =S_n\frac{2}{n}[/tex]
Simplify.
[tex](2\frac{n}{2}a_1+\frac{n^2d}{2} -\frac{n}{2}d)\frac{2}{n} =S_n\frac{2}{n}[/tex]
[tex](na_1+\frac{n^2d}{2} -\frac{n}{2}d)\frac{2}{n} =S_n\frac{2}{n}[/tex]
[tex](na_1+\frac{n^2d}{2} -\frac{dn}{2})\frac{2}{n} =S_n\frac{2}{n}[/tex]
[tex]\frac{(na_1+\frac{n^2d}{2} -\frac{dn}{2})*2 }{n}=S_n\frac{2}{n}[/tex]
[tex]\frac{n(2a_1+nd-d)}{n} =S_n\frac{2}{n}[/tex]
[tex]2a_1+nd-d=S_n\frac{2}{n}[/tex]
[tex]2a_1+nd-d=\frac{2S_n}{n}[/tex]
[tex]2a_1=\frac{2S_n}{n}-nd+n[/tex]
Divide each term by 2.
[tex]\frac{2a_1}{2}=\frac{\frac{2S_n}{n} }{2} +\frac{-nd}{2} +\frac{d}{2}[/tex]
Simplify.
[tex]a_1=\frac{S_n}{n} -\frac{nd}{2} +\frac{d}{2}[/tex]
Insert our answer for [tex]a_1[/tex] into [tex]a_n=a_1+(n-1)d[/tex]
[tex]a_n=\frac{S_n}{n_{40} } -\frac{n_{40} d}{2} +\frac{d}{2}+(n_6-1)d\\[/tex]
I continued my work on paper. I will attach it below.
A phone case is 10 times cheaper than the phone. Herman paid 660 for his phone and case. What was the cost of the phone and what was the cost of the phone case
Answer:
Let x be the cost of the phone.
we know that the cost of the phone case is 10 times cheaper than the phone so the cost of the case is x/10
We also know that the total cost of the phone and the case is 660.
so we can write an equation:
x + (x/10) = 660
We can solve this equation for x by multiplying both sides by 10:
10x + x = 6600
11x = 6600
x = 600
So the cost of the phone is 600 and the cost of the phone case is 600/10 = 60
Bob has 22 missing assignments in his history class. He completes 19 of them What percent of missing assignments does Bob still need to complete?
Answer:
he has 86.36% percent out of 100
What is the value of the missing angle?
Answer: 32
Step-by-step explanation: because the line has to add up to 180 degrease
Find the coordinates of the vertices for the figure after the given transformation Dilation of 0.25. I(-2,1), J(2,2), K(2,-1)
Answer:
I'(-0.5, 0.25), J'(0.5,0.5), K'(0.5, -0.25)[/tex]
Step-by-step explanation:
Assuming the dilation is centered at the origin, it is known that for a dilation of scale factor [tex]k[/tex] centered at the origin, [tex](x,y) \to (kx,ky)[/tex].
The coordinates of the vertices for the figure after the given transformation Dilation of 0.25. is solved to be
I' (-0.5, 0.25)
J' (-1, 1)
K' (1, -0.25)
What is dilation?Dilation is a method of transformation that magnify or shrink the preimage depending on the scale factor
The transformation rule for dilation is as follows
(x, y) for a scale factor of r → (rx, ry)
In the given problem the coordinates of the image is solved when r = 0.25
preimage image
I (-2, 1) → (0.25 * -2, 0.25 * 1) → I' (-0.5, 0.25)
J (2, 2) → (0.25 * 2, 0.25 * 2) → J' (-1, 1)
K (2, -1) → (0.25 * 2, 0.25 * -1) → K' (1, -0.25)
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Fill in the blank quetion. If three of the interior angle of a convex hexagon each meaure 140°, a fourth angle meaure 84°, and the meaure of the fifth angle i 3 time the meaure of the ixth angle, find the meaure of the ixth angle
The measure of the sixth angle of the given convex hexagon is 54 degrees.
We know that the sum of all the interior angles of a convex hexagon is:
720 degrees
Given that three interior angles of the given hexagon measure 140 degrees each.
The fourth angle is 84 degrees.
Let us consider the sixth angle to be x degrees.
Then as per the question, the fifth angle is 3 x (sixth angle) = 3x
Hence, sum of all the angles of the given convex hexagon is:
(3 x 140) + 84 + 3x + x = 720
504 + 4x = 720
4x = 720 - 504 = 216
x = 54 degrees.
Therefore the measure of the sixth angle of the given convex hexagon is 54 degrees.
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How do you find the exponential formula?
The Exponential formula for the given expression "5 × 5 × 5" can be represented as 5³ , and the value is 125 .
What is an Exponential Form ?
An Exponential Form is a way of writing large or very small numbers succinctly .
The given expression is : ⇒ [tex]5 \times 5 \times5[/tex] ;
here we can observe that the number 5 is multiplied by itself 3 times ,
So , the base of the exponential form is 5 ; and
the exponent/power of exponential form is 3 .
So ,the exponential form is written as [tex]5^{3}[/tex] ,and the value of this form is 125 .
Therefore , the exponential formula of [tex]5 \times 5 \times5[/tex] is [tex]5^{3}[/tex] .
The given question is incomplete , the complete question is
How do you find the exponential formula of the the expression 5 × 5 × 5 ?
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Which statement is modeled by the expression? 100p Responses The coach received 100 tokens for the amusement park rides. If there are p players on the team, each player will receive 100p tokens. The coach received 100 tokens for the amusement park rides. If there are , p, players on the team, each player will receive , 100 over p, , tokens. After the league had supplied each player with a uniform, there were 100 uniforms left over. If there are p players in the league, 100p is the number of uniforms the league had originally. After the league had supplied each player with a uniform, there were 100 uniforms left over. If there are , p, players in the league, , 100 over p, is the number of uniforms the league had originally. One hundred more players signed up for soccer than the league had planned for. The league had p uniforms in stock. The number of uniforms the league needs to buy to make up the difference is 100p. One hundred more players signed up for soccer than the league had planned for. The league had p uniforms in stock. The number of uniforms the league needs to buy to make up the difference is 100 over p ., Each player in the league was given 100 tickets to sell. If there are p players in the league, the total number of tickets to sell is 100p Each player in the league was given 100 tickets to sell. If there are , p, players in the league, the total number of tickets to sell is , 100 over p
Which relation is a function?
A.
B.
C.
Answer:
Function A
Step-by-step explanation:
doesn't have vertical points
Karmyn is using vinegar for a salad dressing recipe. She has 3 1/2 cups of vinegar. She knows there are 16 tablespoons in one cup. How many tablespoons are in her 3 1/2 cups of vinegar?
Karmyn has 56 tablespoons of vinegar for a salad dressing recipe.
What is the Multiplication operation?In mathematics, Multiplication operations perform Multiplying values on either side of the operator.
For example 4×2 = 8
Karmyn is making a salad dressing using vinegar. She has three and a half glasses of vinegar. She understands that one cup contains 16 tablespoons.
First, we need to convert the 3 1/2 cups of vinegar to tablespoons.
We know that there are 16 tablespoons in 1 cup, so we can multiply the number of cups by the number of tablespoons per cup to convert the measurement.
3 1/2 cups × 16 tablespoons/cup = 56 tablespoons.
Therefore, she has 56 tablespoons of vinegar.
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A= (a, b}
B = {1,2,3}
Select the expression that is an element of AxBxB.
a. (1,2,3)
b. (a, a,1)
c. (b,2^2)
d. (2.1.1)
The expression that is an element of AxBxB is (1,2,3)
The given data is A= (a, b}, B = {1,2,3}
The product of two matrices A and B is defined if the number of columns of A is equal to the number of rows of B. If both A and B are square matrices of the same order, then both AB and BA are defined.
[tex]& \ A \times B=\left\{\begin{array}{c}(a, 1),(a, 2),(a, 3),(b, 1) \\(b, 2),(b, 3)\end{array}\right. \\[/tex]
[tex]& A \times B \times B=\left\{\begin{array}{l}(a, 1,1),(a, 1,2),(a, 1,3), \\(a, 2,1),(a, 2,2),(a, 2,3),\end{array}\right. \\& (a, 3,1),(a, 3,2),(a, 3,3) \\ & (b, 1,1),(b, 1,2),(b, 1,3) \\& \left.\begin{array}{l}(b, 2,1),(b, 2,2),(b, 2,3) \\(b, 3,1),(b, 2),(b, 3,3)\end{array}\right\} \\[/tex]
[tex]& \therefore(b, 2,3) \in D \times B \times B \\\\& (a, a, 1) \notin A \times B \times B \\\\& \left(b, 2^2\right) \quad \forall A \times B \times B \\\\& (2,1,1) \notin A \times B \times B \\\\&=(b, 2,3) \in \cap \times B \times B \\&\end{aligned}[/tex]
The union of two sets X and Y is equal to the set of elements that are present in set X, in set Y, or in both the sets X and Y.
The intersection of sets can be denoted using the symbol ‘∩’. As defined above, the intersection of two sets A and B is the set of all those elements which are common to both A and B. Symbolically, we can represent the intersection of A and B as A ∩ B.
Therefore, the expression that is an element of AxBxB is (1,2,3).
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Question Find the distance between the points E(3, 7) and F(6, 5).
The distance between the points E(3, 7) and F(6, 5) is 3.605 units.
What is Distance Formula?Algebraic expression that gives the distances between pairs of points in terms of their coordinates.
The distance between two points having coordinates P(a, b) and Q(c, d) is,
D= √(c-a)² + (b-d)².
Given:
Points E(3, 7) and F(6, 5).
Now, using Distance Formula
D= √(6-3)² + (5-7)²
D = √(3)² + (2)²
D= √9+4
D= √13 units
D= 3.605 unit
Hence, the distance is 3.605.
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What are the 8 quadratic formulas?
The 8 quadratic formulas are essential for solving quadratic equations. They are derived from the quadratic equation, which is expressed as ax² + bx + c = 0. The 8 quadratic formulas are:
1. Standard Quadratic Formula: x = [-b ± √(b² - 4ac)]/2a
2. Quadratic Formula for Negative Discriminant: x = [-b/2a] ± i√(-b² - 4ac)/2a
3. Quadratic Formula for Zero Discriminant: x = -b/2a
4. Quadratic Formula for One Real Root: x = -2c/b
5. Quadratic Formula for Two Real Roots: x = [-b ± √(b² + 4ac)]/2a
6. Quadratic Formula for Two Identical Real Roots: x = -b/a
7. Quadratic Formula for Two Imaginary Roots: x = [-b/2a] ± √(-b² + 4ac)/2a
8. Quadratic Formula for One Imaginary Root: x = [-b/2a] ± i√(b² + 4ac)/2a
By understanding these formulas, it's possible to solve for any unknowns in a quadratic equation.
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Which value could be substituted for the variable to make the equation TRUE? 21 = t - 7
Answer:
4 or t = -8
Step-by-step explanation:
Answer:
Step-by-step explanation:
You are solving for the variable, t. Note the equal sign, what you do to one side, you do to the other.
To isolate t, add 7 to both sides of the equation:
21 = t - 7
21 (+7) = t - 7 (+7)
21 + 7 = t
t = 28
t = 28 is your answer.
Check: Plug in 28 for t in the given equation:
21 = t - 7
21 = (28) - 7
21 = 21 (True).
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A chef needed to put 36 plates away in the kitchen. She put the plates in stacks of 3. How many stacks did the chef make?
Answer:12
Step-by-step explanation:
dive 36 plates by by the amount of plates per stack (3)
Is no solution or infinitely many solutions?
On the other hand, it is not impossible for an equation to have only one solution, an infinite number of solutions, or none at all. Any value for the variable would make the equation true, but an equation with infinite solutions suggests that there is no answer to the equation.
What is infinite solution?
Both sides of an infinite solution are equal. As an illustration, 6x + 2y - 8 = 12x + 4y - 16 Using a formula or method for infinite solutions, you can simplify the equation and make both sides to equal one another, making it an infinite solution. The concept of infinite connotes boundlessness or infinity. Typically, it is denoted by the symbol "".
What is an infinite number?
There are an unlimited number of numbers in a series. a collection of infinitely many natural integers, as an illustration. The initial value 0, and the initial value infinite, are represented by the logarithms and +, respectively.
The original values 0 and infinity are similarly treated when we consider both of the conceivable values and + as a single infinity.
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ANSWER NUMBER FIVE ONLY! WHOEVEER GIVES RIGHT ANSWER WILL GET BRAINLEST PLEASE HELP
5. The third term in an arithmetic sequence is 10 and the fifth term is 26. If the first term is a₁, which is an
equation for the nth term of this sequence?
1) a = 8m+10
2) a = 8n - 14
3) a = 16n+10
4) a, = 16n-38
The equation for the nth term of this sequence is [tex]a_{n}[/tex] = 8n - 14. The solution has been obtained by using the concept of arithmetic progression.
What is arithmetic progression?
The difference between any two consecutive integers in an arithmetic progression (AP) sequence of numbers is always the same amount. It also goes by the name Arithmetic Sequence.
We are given that the third term is 10.
This means that [tex]a_{3} =10[/tex]
So, n=3
Substituting this value in the given equations, we get
1) [tex]a_{n}[/tex] = 8*3+10 = 34
2) [tex]a_{n}[/tex] = 8*3 - 14 = 10
3) [tex]a_{n}[/tex] = 16*3+10 = 58
4) [tex]a_{n}[/tex] = 16*3 - 38 = 10
So, the second and the fourth equation satisfy the condition.
We are also given that the fifth term is 26.
This means that [tex]a_{5} =26[/tex]
So, n=5
Substituting this value in the given equations, we get
2) [tex]a_{n}[/tex] = 8*5-14 = 26
4) [tex]a_{n}[/tex] = 16*5 - 38 = 42
So, the second equation satisfies the condition.
Hence,the equation for the nth term of this sequence is [tex]a_{n}[/tex] = 8n - 14.
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(NEED HELP ASAP) (PLS HELP!!)
Use this coordinate plane. Imagine a rectangle with two corners at points A and G. What is the perimeter of this rectangle?
A- 11 units
B- 16 units
C- 20 units
D- 22 units
Answer:
D- 22
Step-by-step explanation:
The rectangle would be 9 units tall and 2 units wide. 2 x 2 = 4 9 x 2 = 18 4 + 18 = 22
The blue rectangle is what the rectangle would look like.
What are function answers?
An equation that has one solution for y for each value of x is referred to be a function. A function pairs each input of a particular type with exactly one output.
what are functions ?The subject of mathematics includes quantities and their variations, equations and related structures, forms and their locations, and places where they can be found. The term "function" refers to the relationship between a set of inputs, each of which has an associated output. A relationship between inputs and outputs in which each input leads to a single, distinct result is known as a function. Usually, f is used to denote functions (x). input is an x. There are four main types of functions accessible. based on the following factors: on functions, one-to-one functions, many-to-one functions, within functions, and on functions.
given
An equation that has one solution for y for each value of x is referred to be a function.
A function pairs each input of a particular type with exactly one output. Instead of y, it is typical to name functions f(x) or g(x). f(2) instructs us to calculate the value of our function when x is equal to 2.
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the premiter of a rectangle is the some of the lengths and its four sides which expression where1=length and w = width does not show this relationship
Answer: The perimeter of a rectangle is the sum of the lengths of its four sides which is given by the expression: P = 2l + 2w (where l is the length and w is the width)
The expression that does not show this relationship is P = l + w
It doesn't show the relationship because it doesn't take into account the two sides that are equal to the width and the two sides that are equal to the length.
P = 2l + 2w shows the relationship as it considers both length and width of the rectangle twice, once for each pair of sides.
Step-by-step explanation: