SOLUTION: Find the indicated composition. {{{f(x)=17x^2-6x}}} {{{g(x)=8x-5}}} (f*g)(8)

SOLUTION: Find the indicated composition. {{{f(x)=17x^2-6x}}} {{{g(x)=8x-5}}} (f*g)(8)

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Question 230938: Find the indicated composition.

(f*g)(8)
Answer by likaaka(51) (Show Source): You can put this solution on YOUR website!
First evaluate (f*g)(x), then substitute in x=8
Given and , then (f*g)(x)=
Perform FOIL
(f*g)(x)=
(f*g)(x)=
(f*g)(x)=
Now substitute in x=8
(f*g)(8)=
(f*g)(8)=135(512)-113(64)+30(8)
(f*g)(8)=69120-7232+240
(f*g)(8)=62136
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