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Help pls! find g(x)+ f(x)=-3x+4 and g(x)=5x+12

Help pls! find g(x)+ f(x)=-3x+4 and g(x)=5x+12
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1 vote
Help pls! find g(x)+ f(x)=-3x+4 and g(x)=5x+12

Help pls! find g(x)+ f(x)=-3x+4 and g(x)=5x+12-example-1
User Myeongkil Kim
by
8.6k points

2 Answers

5 votes
Replace f(x) and g(x) with what they equal:


(5x + 12) + (-3x + 4)

5x + 12 - 3x + 4

Combine like terms:


5x - 3x = 2x

12 + 4 = 16


2x + 16

The answer is D.
User Cajwine
by
8.0k points
3 votes
(-3x+4) + (5x + 12) = 2x +16
The answer is D.
Hope it helps!
User Jcalonso
by
8.3k points
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