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Unit: Composite and inverse functions

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Possible mastery points

Composing functions

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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 with composite functions

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Practice

Model with composite functionsGet 3 of 4 questions to level up!

Quiz 1

Level up on the above skills and collect up to 400 Mastery points

Invertible functions

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Practice

Determine if a function is invertibleGet 3 of 4 questions to level up!
Restrict domains of functions to make them invertibleGet 3 of 4 questions to level up!

Inverse functions in graphs and tables

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Practice

Inverse functions: graphs and tablesGet 3 of 4 questions to level up!

Verifying inverse functions by composition

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Verify inverse functionsGet 3 of 4 questions to level up!

Quiz 2

Level up on the above skills and collect up to 400 Mastery points

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Unit test

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About this unit

We can compose functions by making the output of one function the input of another one. This simple-yet-rich idea opens up a world of fascinating applications. Inverse functions undo each other when we compose them.