Multiple Choice

A retail manager uses the function f(x)=5x3f(x) = 5x - 3 to calculate the final sale price of an item based on its wholesale cost xx. To determine the wholesale cost when the sale price is known, the manager must use the inverse function. Which of the following is the correct inverse function f1(x)f^{-1}(x) for this process?

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Updated 2026-05-22

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