Question

If f(x) = 3x - 2 and g(x) = 2x + 1, find (f - g)(x).

A. X-3
B. 5x-1
C. 3-X
O
D. 5x - 3

Answer 1

A. x - 3

Explanation:

(f - g)(x) = f(x) - g(x)

(f - g)(x) = (3x - 2) - (2x + 1)

(f - g)(x) = 3x - 2x - 2 - 1

(f - g)(x) = x - 3