averie111802 averie111802 19-12-2019 Mathematics contestada f(x) = 5x3-2 and g(x) = 2x+1, find (f +g)(x). O A. 3x°-1 B. 5x^3+2x-1 O c. 3x²-1 O D. 10x^3-2 - 7 SUBMIT