jadalh0421 jadalh0421 13-06-2020 Mathematics contestada Question 9 of 10 2 Points If f(x) = -3 and g(x) = 4x2 + x - 4, find (f+ 9)(x). A. 6x2 - 7 B. 4x2+xx-7 O C. 4x2+2x-1 O D. 4x2+x-1 SUBMIT