Let f(x)=x2−16 and g(x)=15−x. Perform the composition or operation indicated. (fg)(7)

asked Sep 14, 2021 40.5k views

5 votes

Let f(x)=x2−16 and g(x)=15−x. Perform the composition or operation indicated.
(fg)(7)

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6 votes

Answer:

$(2x - 16)(15 - x) \\ (2(7) - 16)(15 - 7) \\ (14 - 16)(8) \\ ( - 2)(8) \\ = - 16$

MightyPork answered Sep 18, 2021