Using the Horizontal Line Test
In Exercises 17-24, use a graphing utility to graph the function. Then use the Horizontal Line Test to determine whether the function is one-to-one on its entire domain and therefore has an inverse function.
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Determining Whether a Function Has an Inverse Function
In Exercises 25–30, use the derivative to determine whether the function is strictly monotonic on its entire domain and therefore has an inverse function.
