Functions such as the pairs in Exercises 69–72 are called inverse...

Functions such as the pairs in Exercises 69–72 are called inverse functions, because the result of composition in both directions is the identity function. Inverse functions will be discussed in detail in Section 5.1. )

In a square viewing window, graph an example of a pair of inverse functions. Now graph y3 = x. Describe how the graph of y₂ can be obtained from the graph of y₁, using the graph y₃ = x as a basis for your description.

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