lilahvei11122002 lilahvei11122002

08-02-2019
Mathematics

contestada

PLEASE HELP !!Given f(x)=2x^2-3 and g(x)=x+4

what is (fg)(x)

A. 2x^3-12

B.-2z^2+x+7

C. 2x^2+x+1

D. 2x^3+8x^2-3x-12

Respuesta :

AatifFraz AatifFraz

11-02-2019

(fg)(x) = f(x)g(x)

=(2x^2-3)*(x+4)

=2x^3 + 8x^2 - 3x - 12

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