angierosa828 angierosa828 26-04-2022 Mathematics contestada Question 3 of 10 If f(x) = 2x2 + 1 and g(x) = x2 - 7, find (f + g)(x). O A. 3x2 + 8 O B. x + 8 O C. 3x2 - 6 D. x2 - 6