College Algebra CLEP Prep Practice Exam

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Prepare for the College Algebra CLEP Test with our comprehensive practice exam. Study with flashcards and multiple choice questions, each offering clues and detailed explanations. Achieve your best score and excel in your exam!

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What is the inverse of the function y = x2?

  1. x = y2

  2. y = x2

  3. x = 1/y

  4. y = 1/x

The correct answer is: y = 1/x

The inverse of a function is the opposite of the original function, where the input and output values are switched. In this case, the original function is y = x2, which squares the input value to get the output value. The inverse of this function would be y = 1/x, which takes the output value and finds the input value that, when squared, would result in the output value. This applies to all points on the graph, so options A and B are incorrect. Option C would be the inverse if the original function was y = 1/x, which is not the case here.

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