Question

If f(x) = 5x2 - 3 and g(x) = x2 - 4x - 8, find (f - g)(x).

A. (f- g)(x) = 4x2 - 4x - 5
B. (f- g)(x) = 4x2 + 4x + 5
C. (f - g)(x) = 2x2 - 11
O D. (f- g)(x) = 6x2 - 4x - 11
SUBMIT

Answer 1

B

Explanation:

5x² - 3 - (x² - 4x - 8)

5x² - 3 - x² + 4x + 8

4x² + 4x + 5