College Math CLEP Prep Practice Exam 2026 - Free College Math CLEP Practice Questions and Study Guide

Question: 1 / 400

How would you calculate the domain of a function?

Find the x-intercepts

The domain of a function is all the possible input values that can be used to produce an output. To calculate the domain of a function, you need to find all the possible x-values that can be used as input. This is why option A, finding the x-intercepts, is the correct choice. Options B and D refer to finding the y-intercepts and zeroes, respectively, which are important for graphing the function but not necessary for finding the domain. Option C, finding the range, is the set of output values and is not helpful in calculating the domain. Therefore, the best way to calculate the domain of a function is by finding the x-intercepts.

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Find the y-intercepts

Find the range

Find the zeroes

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