Precalculus · Problem 5.1.44

Further Topics in Functions — Stitz & Zeager

Mathematics — Precalculus · function-composition-discrete

Problem

Let f={(−3,4),(−2,2),(−1,0),(0,1),(1,3),(2,4),(3,−1)}f = \{(-3, 4),(-2, 2),(-1, 0),(0, 1),(1, 3),(2, 4),(3, -1)\} and g={(−3,−2),(−2,0),(−1,−4),(0,0),(1,−3),(2,1),(3,2)}g = \{(-3, -2),(-2, 0),(-1, -4),(0, 0),(1, -3),(2, 1),(3, 2)\}. Find (f∘g)(3)(f \circ g)(3) if it exists.

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