Written by the Fiveable Content Team • Last updated August 2025
Verified for the 2027 exam
Verified for the 2027 exam•Written by the Fiveable Content Team • Last updated August 2025
Definition
A method of combining two or more functions where the output of one function becomes the input of another, denoted f(g(x)) or f ∘ g, used to relate quantities that are not directly related by an existing formula.