ACT — Algebra — Functions Practice Test

Free, focused Algebra — Functions topic test for American College Testing — 20 questions at real exam difficulty, with instant scoring and explanations.

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Practise Algebra — Functions for ACT

Functions is a scoring area in ACT. This chapter test isolates Algebra — Functions so you can drill just this topic, find your weak spots, and fix them before sitting a full-length ACT mock. Each attempt serves a fresh set of 20 questions from the ACT Algebra — Functions bank.

Sample Functions questions

If f(x) = 2x² + 12, then f(3) =
If f(x) = 2x² + 13, then f(3) =
If f(x) = 2x² + 14, then f(3) =
Practise all 20 Functions questions →

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Frequently asked questions

Does ACT include Functions questions?
Yes. Algebra — Functions is part of the ACT syllabus. This topic test gives you 20 focused Functions questions at real exam difficulty so you can master the chapter before the full mock.
Is the ACT Functions test free?
Yes — start the Functions topic test free on Wrexa Edge. No credit card needed. You also get the full ACT mock and 14+ other topic tests for this exam.
How many Functions questions are there?
This Functions drill has 20 questions. Each attempt draws a fresh set from the ACT Algebra — Functions question bank, so you can repeat it for more practice.

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