skeibs skeibs 21-01-2021 Mathematics contestada What is the (fg)(x) if f(x)=(4x - 1) and g(x)=(3x + 5)? A. 7x + 4 B. 12x2-5 C. 12x2 + 17x-5 D. 12x2 + 23x - 5 Show work