Question

If f(x) = 4x - 3 and g(x) = x + 4, find (f - g)(x).

Answer 1

(f - g)(x) = 3x - 7

Explanation:

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

= 4x - 3 - ( x + 4 )

= 4x - 3 - x - 4

= 3x -7