KaysleeC360816 KaysleeC360816
  • 03-11-2022
  • Mathematics
contestada

Let f(x)=-3x+7 and g(x)=2x^2-8, find f(g(x))

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AerianaA176823 AerianaA176823
  • 03-11-2022

Given the following functions:

[tex]\begin{gathered} f(x)=-3x+7 \\ g(x)=2x^2-8 \end{gathered}[/tex]

To find f(g(x)), we replace x in f(x) with g(x).

[tex]\begin{gathered} f(x)=-3x+7 \\ f(g(x))=-3(2x^2-8)+7 \\ =-6x^2+24+7 \\ =-6x^2+31 \\ \text{Therefore:} \\ f(g(x))=-6x^2+31 \end{gathered}[/tex]

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