Given the functions f (x) = - 3x - 5 and g (x) = x^2 - 4, find g (f (x)).

A. g (f (x)) = - 3x^2 + 7

B. g (f (x)) = 9x^3 + 30x + 21

C. g (f (x)) = 9x^2 - 30x + 29

D. g (f (x)) = 3x^2 - 7

Question

Zain

2 October, 10:58

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Lilia Taylor · Answer 1

Lilia Taylor 2 October, 14:55

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Answer is b. G) f (x)) = 9x^3+30x

Given the functions f (x) = - 3x - 5 and g (x) = x^2 - 4, find g (f (x)).A. g (f (x)) = - 3x^2 + 7B. g (f (x)) = 9x^3 + 30x + 21C. g (f (x)) = 9x^2 - 30x + 29D. g (f (x)) = 3x^2 - 7