janasiahaynes17 janasiahaynes17 03-05-2021 Mathematics contestada For f(x) = 2x + 1 and g(x) = x2 - 7, find (f - g)(x). O A. - x2 + 2x + 8 B. - x2 + 2x-6 O c. x2 - 2x - 8 O D. 2x2 – 15