anayahbailey11 anayahbailey11

16-01-2019
Mathematics

contestada

What is g(f(x)) when f(x) = 3x + 1 and g(x) = 4x2 - 4?

A)
g(f(x)) = 12x2 - 11

B)
g(f(x)) = 13x2 + 10x

C)
g(f(x)) = 36x2 + 24x

D)
g(f(x)) = 144x2 + 96x + 12

Respuesta :

choixongdong choixongdong

16-01-2019

Answer:

C) g(f(x)) = 36x^2 + 24x

Step-by-step explanation:

g(f(x)) when f(x) = 3x + 1 and g(x) = 4x^2 - 4

g(f(x)) = 4(3x + 1)^2 - 4

g(f(x)) = 4(9x^2 + 6x +1) - 4

g(f(x)) = 36x^2 + 24x + 4 - 4

g(f(x)) = 36x^2 + 24x

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