College Algebra CLEP Prep Practice Exam 2025 – The All-in-One Resource for Exam Success!

Question: 1 / 410

Find the inverse of the function y = 5x.

x = 5y

x = 1/5y

An inverse function is a function that undoes the action of the original function. In this case, the function y = 5x multiplies the input value by 5 to get the output value. To undo this action and find the inverse function, we need to divide the output value by 5 to get the input value. Therefore, the inverse function will be x = 1/5y, as for every input value (y) the original function multiplied by 5, the inverse function will divide by 5 to get the original input value. Options A, C, and D do not correctly represent the inverse function of y = 5x. Option A has the variables in the incorrect order, option C has the variables incorrectly inverted, and option D adds an additional step by dividing by the input value.

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y = 1/5x

y = 5/x

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