7.2 Representations of Functions

7.2 Representations of Functions

8.F.A.1, 8.F.A.4

- An equation that describes the relationship between inputs and outputs

​Function Rule

Multiple Choice

Prac tice Problem #1

Write a function rule:

"The output is one-fourth of the input"

• $$x=\frac{1}{4}y$$  

• $$y=\frac{x}{\frac{1}{4}}$$  

• $$y=\frac{1}{4}x$$  

• $$y=4x$$  

Multiple Choice

Another one!

Write a function rule:

"The output is thirteen more than four times the input"

• $$y=4x+13$$

• $$y=4\left(x+13\right)$$

• $$y=13\left(4x\right)$$

• $$y=13-4x$$

Fill in the Blanks

Practice Problem #1- Find the value of y when x = 5.

$y=4x-1$  

Fill in the Blanks

Practice Problem #2- Find the value of y when x = 5. $y=10x$  

Fill in the Blanks

Practice Problem #3-
Find the value of y when x = 5.

 $y=7-3x$ 

*Take 3 minutes to complete the next practice problem *

Multiple Choice

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