HW3b: Using Function Notation to Describe Rules (Part 1)

Match each equation with a description of the function it represents.

[math]f\left(x\right)=2x+4[/math]

To get the output, add 2 to the input, then multiply the result by 4. To get the output, add 4 to the input, then multiply the result by 2. To get the output, multiply the input by 2, then add 4 to the result. To get the output, multiply the input by 4, then add 2 to the result.

[math]g\left(x\right)=2\left(x+4\right)[/math]

To get the output, add 2 to the input, then multiply the result by 4. To get the output, multiply the input by 2, then add 4 to the result. To get the output, add 4 to the input, then multiply the result by 2. To get the output, multiply the input by 4, then add 2 to the result.

[math]h\left(x\right)=4x+2[/math]

To get the output, multiply the input by 4, then add 2 to the result. To get the output, add 2 to the input, then multiply the result by 4. To get the output, add 4 to the input, then multiply the result by 2. To get the output, multiply the input by 2, then add 4 to the result.

[math]k\left(x\right)=4\left(x+2\right)[/math]

To get the output, multiply the input by 4, then add 2 to the result. To get the output, multiply the input by 2, then add 4 to the result. To get the output, add 2 to the input, then multiply the result by 4. To get the output, add 4 to the input, then multiply the result by 2.

Function P represents the perimeter, in inches, of a square with side length x inches. Complete the table.

Write an equation to represent function [math]P[/math].[br]

Sketch a graph of function P.

Function [math]C[/math] gives the cost, in dollars, of buying [math]n[/math] apples. [br]Which statement best represents the meaning of [math]C\left(10\right)=9[/math]?

The cost of 10 apples. The cost of 9 apples is $10. The cost of buying 9 apples Ten apples cost $9.

HW3b: Using Function Notation to Describe Rules (Part 1)

Match each equation with a description of the function it represents.

Function P represents the perimeter, in inches, of a square with side length x inches. Complete the table.

Sketch a graph of function P.

Information: HW3b: Using Function Notation to Describe Rules (Part 1)