yeneniasanchez yeneniasanchez

25-03-2019
Mathematics

contestada

Given f(x) = 3x^2 + 5 and g(x) = x -2

What is (fg)(x)?

A. 3x^3 - 10
B. 3x^2 - x + 7
C. -3x^2 + x - 7
D. 3x^3 - 6x^2 + 5x - 10

Respuesta :

choixongdong choixongdong

25-03-2019

Answer:

D. (fg)(x) = 3x^3 - 6x^2 + 5x - 10

Step-by-step explanation:

f(x) = 3x^2 + 5 and g(x) = x -2

(fg)(x) = (3x^2 + 5)(x -2)

(fg)(x) = 3x^3 - 6x^2 + 5x - 10

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