okokjade
okokjade okokjade
  • 03-01-2019
  • Mathematics
contestada

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

Which expression is equal to (fog) (x)?


a 4x^2 + 3x -1
b 12x^3 + 3x
c 36^2 + 1
d 12x^2 + 3

Respuesta :

MrsStrong
MrsStrong MrsStrong
  • 04-01-2019

Answer:

D

Step-by-step explanation:

(f of g)(x) means to do f(g(x)). We will substitute g(x) into f(x) and simplify.

[tex]f(g(x))= 3(4x^2+1)=12x^2+3[/tex]


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