Problem 118 of 7
Determine whether a graph of a sine wave has an inverse function.
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apply one-to-one or horizontal-line test.
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Apply one-to-one behavior or horizontal-line test.
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Your answer is equivalent to the expected form.
Solution
Walkthrough
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1. Check whether any output comes from more than one input.
2. Use horizontal-line test for graphs or repeated outputs for tables.
3. Conclude whether an inverse function exists.
Use the worked steps, then substitute the final answer back into the original relationship to confirm it satisfies the prompt.
Saying every function has an inverse function.