Composing functions means
combining two or more functions to make a
single function. When \(g(x)\) acts
first, the combination of functions \(f(x)\) and \(g(x)\) is shown by \(f(g(x))\) or \((f ∘ g)(x)\). When functions are put together, the
output of the function
inside the parentheses becomes the
input of the function
outside the parentheses.
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