If f(x)=2x2²-5 and g(x)=x2-4x-8, find (f- g)(x). O A. (f-g)(x) = -2²-13 B. (f- g)(x)=x²-4x-3 OC. (f- g)(x) = 3x² - 4x-13 OD. (f- g)(x) = x² + 4x +3. The answer is D.​

If fx2x25 and gxx24x8 find f gx O A fgx 213 B f gxx4x3 OC f gx 3x 4x13 OD f gx x 4x 3 The answer is D class=