# Functions

## Combining functions

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Intro to combining functionsAdding functionsSubtracting functionsAdding and subtracting functionsMultiplying functionsDividing functionsMultiplying and dividing functions

## Composing functions

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Intro to composing functionsIntro to composing functionsComposing functionsEvaluating composite functionsEvaluating composite functions: using tablesEvaluating composite functions: using graphsFinding composite functionsEvaluating composite functions (advanced)
Practice
Evaluate composite functionsGet 3 of 4 questions to level up!
Evaluate composite functions: graphs & tablesGet 3 of 4 questions to level up!
Find composite functionsGet 3 of 4 questions to level up!

## Modeling situations by combining and composing functions

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Modeling with function combinationModeling with composite functionsModeling with composite functions (example 2)
Practice
Model with function combinationGet 3 of 4 questions to level up!
Model with composite functionsGet 3 of 4 questions to level up!

## Shifting functions

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Shifting functions examplesGraphing shifted functions
Practice
Shift functionsGet 3 of 4 questions to level up!

## Stretching functions

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Identifying function transformationsIdentifying horizontal squash from graphReflecting & compressing functions
Practice
Identify function transformationsGet 3 of 4 questions to level up!

## Introduction to inverses of functions

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Intro to inverse functionsIntro to inverse functionsInputs & outputs of inverse functionsGraphing the inverse of a linear function
Practice
Evaluate inverse functionsGet 3 of 4 questions to level up!

## Finding inverse functions

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Finding inverse functions: linearFinding inverse functions: quadraticFinding inverse functions: quadratic (example 2)Finding inverse functions: radicalFinding inverses of rational functionsFinding inverse functions
Practice
Finding inverses of linear functionsGet 3 of 4 questions to level up!

## Verifying that functions are inverses

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Verifying inverse functions by compositionVerifying inverse functions by compositionVerifying inverse functions by composition: not inverse
Practice
Verify inverse functionsGet 3 of 4 questions to level up!

## Determining whether a function is invertible

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Determining if a function is invertibleIntro to invertible functionsRestricting domains of functions to make them invertible
Practice
Determine if a function is invertibleGet 3 of 4 questions to level up!