cupcakes118 cupcakes118 18-10-2022 Mathematics contestada If f(x) = 4x + 9 and g(x) = x - 6, what is f(x) ○ g(x)?A. x² - 54x - 15 B. 4x² + 8x - 54 C. x² - 15x + 8 D. 4x² 15x - 54