Question

If f(x)=3x+10 and g(x)=2x-4 find (f-g)(x)

Answer 1

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

Explanation:

In order to find a composite function using subtraction, we simply subtract the second equation from the first.

f(x) - g(x)

(3x + 10) - (2x - 4)

3x + 10 - 2x + 4

x + 14