Question

If f(x) = –5x – 4 and g(x) = –3x – 2, find (f – g)(x).

A. (f – g)(x) = –5x + 3x – 2
B. (f – g)(x) = 5x – 3x + 2
C. (f – g)(x) = –2x – 2
D. (f – g)(x) = –5x – 3x – 6

Answer 1

C. (f – g)(x) = –2x – 2

Explanation:

(f – g)(x) = f(x) – g(x)

= (–5x – 4) – (–3x – 2)

= –2x – 2