Question

If f(x) = x2 + 9x – 14 and g(x) = x2 – x + 3, find (f – g)(x).

Answer 1

10x-17

Explanation:

f(x) = x^2 + 9x – 14

g(x) = x^2 – x + 3

(f – g)(x)=x^2 + 9x – 14 - (x^2 – x + 3)

Distribute the minus sign

(f – g)(x)=x^2 + 9x – 14 - x^2 + x - 3

Combine like terms

=10x-17