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6 votes
F(x) = 7x + 1 - 8

g(x) = -2
Find (f - g)(x).
A. (f-g)(x) = |7x - 5|
B. (f-g)(x) = 7x - 7+2
C. (f-g)(x) = |7x| - 5
D. (f-g)(x) = |7x+1-6

User Rob Tillie
by
5.3k points

2 Answers

12 votes

Answer: 7x-5

Explanation:


(f-g)(x)=f(x)-g(x)=(7x+1-8)-(-2)=\boxed{7x-5}

User Salah Saleh
by
5.1k points
4 votes

Answer:

D. (f-g)(x) = |7x+1|-6

Explanation:

f(x) = |7x + 1| - 8

g(x) = -2

(f - g)(x) = f(x) - g(x) = |7x + 1| - 8 - (-2)

(f-g)(x) = |7x + 1| - 6

User Alexey Savanovich
by
4.6k points