kyleraymer14 kyleraymer14

04-04-2018
Mathematics

contestada

If f(x) = x2 and g(x)= 3x + 1, which expression represents g(f(x))?
A) 3x^3 +x2
B) 3x^2 + 1
C) 9x^3 + 6x2 + x
D) 9x^2 + 6x + 1
E) 9x^2 + 1

Respuesta :

TheMaster999 TheMaster999

04-04-2018

f(x)=x²
g(x)=3x+1

g(f(x))=g(x²)=3x²+1 - we just put x² instead of x

ans.: B

Regards, M.Y.

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