Wolf122300 Wolf122300
  • 02-03-2019
  • Mathematics
contestada

If f(x)=5x^3 and g(x)=x+1, find (f•g)(x)

If fx5x3 and gxx1 find fgx class=

Respuesta :

MrBillDoesMath MrBillDoesMath
  • 02-03-2019

Hello from MrBillDoesMath!

Answer:

5 x^3 + 15 x^2 + 15 x + 5 , none of the provided choices

Discussion:

f(x) = 5 x^3

g(x) = x+ 1  

=>

(f•g)(x) =

f(g(x)) =

f(x+1) =

5 * (x+1)^3 =

5 x^3 + 15 x^2 + 15 x + 5

which is none of the provided answers.

Thank you,

MrB

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