Dictionary · CComposite functionA function made by applying one function to the output of another, written f(g(x))f(g(x))f(g(x)) or (f∘g)(x)(f \circ g)(x)(f∘g)(x).ExampleIf f(x)=x+1f(x) = x + 1f(x)=x+1 and g(x)=x2g(x) = x^2g(x)=x2, then f(g(3))=f(9)=10f(g(3)) = f(9) = 10f(g(3))=f(9)=10.Learn moreFunctions and GraphsThe Chain RuleSee alsoFunctionChain rule← Common denominatorCompound interest →