Algebra
Function Composition Calculator
Lets users solve and check function composition instantly with formula, steps and examples — no manual math.
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Your result
(f∘g)(x) = f(g(x))
26
(f∘g)(4) = f(g(4)) = f(5) = 26.
(g∘f)(x) = g(f(x))
31
g(x)
5
About this calculator
Function composition (f∘g)(x) means f(g(x)) — apply g first, then f. Composition is generally not commutative: f∘g ≠ g∘f. Evaluated numerically at your chosen x.
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