# SAT Math Practice 4 - Composite Functions

# Composite Functions

Most students have real trouble when learning about these type of functions. Once they get past the "I can't" phase it is actually easy to understand. A *composite function* is actually two functions, one inside of the other. This is what they mean:

## Example

It is asking us to plug in g into f, replace all of the x's with 1/2x - 4, and simplify.

## SAT Practice

#### Solution

Therefore, the answer is B.

## Extra Practice (Solutions at the bottom)

#### Question 1

#### Question 2

#### Question 3

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*Cheers Steemites! Have a great day!*