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Find (f+g)(x) if f(x)=5x-2 and g(x)=2x+1 A. 7x-1 B. 7x-3 C. 3x-1 D. 4x-3

Find (f+g)(x) if f(x)=5x-2 and g(x)=2x+1 A. 7x-1 B. 7x-3 C. 3x-1 D. 4x-3
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3 votes
Find (f+g)(x) if f(x)=5x-2 and g(x)=2x+1
A. 7x-1
B. 7x-3
C. 3x-1
D. 4x-3

User MirzaP
by
8.2k points

2 Answers

3 votes
7x-1 is the correct answer
User Beniamin
by
7.4k points
2 votes
This is an addition problem.

Rearrange the given equations as

+ f(x)=5x-2
+g(x)=2x+1
----------------
Add up each column, as follows: (f+g)(x) = 7x - 1 (answer)
User Gongshw
by
8.4k points
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