If f(x)=2x-5 and g(x)=x² - 4x-8, find (f+ g)(x). A. (f+ g)(x) = x²+2x-3 OB. (f+ g)(x) = 3x² - 4x-13 O C. (f+ g)(x) = x² - 2x - 3 O D. (f+ g)(x) = x² - 2x - 13. The answer is D.​