lilylocke06 lilylocke06

18-08-2021
Mathematics

contestada

Find (f o g)(x)
Consider f(x) = x + 7 and g(x) = x2 –1

Respuesta :

jimthompson5910 jimthompson5910

18-08-2021

Answer: x^2 + 6

Work Shown:

(f o g)(x) = f(g(x))

f(x) = x + 7

f( g(x) ) = g(x) + 7 ... replace every x with g(x)

f( g(x) ) = x^2-1 + 7 .... plug in g(x) = x^2-1

f( g(x) ) = x^2 + 6

(f o g)(x) = x^2 + 6

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