Algebra 2 Companion Book, Volume 2

9.2.2 Functions and Their Inverses (continued) Example 2 Writing Rules for Inverses

Recall that to write the rule for the inverse of a function, exchange x and y and solve the equation for y . Because the values of x and y are switched, the domain of the function will be the range of its inverse, and the range of the function will be the domain of its inverse.

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