If f(x)=4^x-8 and g(x) =5x+6, find (f+g)(x)

asked Dec 20, 2021 167k views

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(f+g)(x)=f(x)+g(x)=4^x-8+5x+6=4^x-2+5 or 4^x+5x-2 answer is C

Dvim answered Dec 21, 2021

by Dvim

5.9k points

4 votes

Answer:

Explanation:

(f + g)(x) = f(x) + g(x), then

f(x) + g(x)

=
4^(x) - 8 + 5x + 6 ← collect like terms

=
4^(x) + 5x - 2 → C

Dellon answered Dec 24, 2021

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