Precalculus · Problem 5.1.2

Further Topics in Functions — Stitz & Zeager

Mathematics — Precalculus · function-composition-evaluation

Problem

Let f(x)=4−xf(x) = 4 - x, g(x)=1−x2g(x) = 1 - x^2. Find the following values if they exist: • (g∘f)(0)(g \circ f)(0) • (f∘g)(−1)(f \circ g)(-1) • (f∘f)(2)(f \circ f)(2) • (g∘f)(−3)(g \circ f)(-3) • (f∘g)(12)(f \circ g)\left(\frac{1}{2}\right) • (f∘f)(−2)(f \circ f)(-2)

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