Question

If f(x) = 4x – 8 and g(x) = 5x + 6, find (f - g)(x).

Answer 1

- x - 14

Explanation:

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

f(x) - g(x) = 4x - 8 - (5x + 6) = 4x - 8 - 5x - 6 ← collect like terms

(f - g)(x) = - x - 14