Question

If f(x) = 2x2 + 3 and g(x) = x2 – 7, find (f – g)(x).

A. 3x2 – 4
B. x2 – 4
C. x2 + 10
D. 3x2 – 10
HELP!!! give me the answer

Answer 1

(f – g)(x) = 2x2 + 3 - (x2 – 7)
(f – g)(x) = 2x2 + 3 - x2 + 7
(f – g)(x) = x2 + 10

answer is C. x2 + 10