Functional equation — AMC & AIME Problems
Practice every real AMC 8, AMC 10, AMC 12, and AIME problem that uses Functional equation — a algebra concept — each with a professionally curated solution, many with a video solution too, from LIVE by Po-Shen Loh. Browse all concepts or the full past-contest archive.
All problems are used with official legal permission of the Mathematical Association of America (MAA).
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These problems’ difficulty ratings come from real solve attempts on our platform. Tap a band or a contest to filter the list below, and tap a selected band again to include all difficulties. See the full difficulty guide.
AMC 12
1975 AMC 12 Problem 21 • 1977 AMC 12 Problem 22 • 1978 AMC 12 Problem 17 • 1979 AMC 12 Problem 26 • 1981 AMC 12 Problem 17 • 1984 AMC 12 Problem 16 • 1987 AMC 12 Problem 24 • 2001 AMC 12 Problem 9 • 2004 AMC 12A Problem 17 • 2006 AMC 12A Problem 18 • 2016 AMC 12A Problem 20 • 2021 AMC 12A Spring Problem 18 • 2023 AMC 12B Problem 22