daphnebeth12 daphnebeth12

23-02-2019
Mathematics

contestada

For f(x)=4x+2 and g(x)=x^2-6, find (f+g)(x)

A) 4x^3-4
B) 4x^2-16
C) x^2+4x-4
D) x^2+4x+8

For fx4x2 and gxx26 find fgx A 4x34 B 4x216 C x24x4 D x24x8 class=

Respuesta :

mendietajose513 mendietajose513

23-02-2019

Answer:

The answer would be x^2+4x-4

Step-by-step explanation:

You can solve this by plugging 4x+2 into (f+g). 4x+2 would equal f. x^2-6 would equal g. plugging them in gets you 4x+2+x^2-6. If we simplify it we would end up with x^2+4x-4

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