eustismsband eustismsband 29-07-2020 Mathematics contestada Please help!! Let f(x) = 9x3 + 21x2 − 14 and g(x) = 3x + 1. Find f of x over g of x. 3x^2 + 6x - 2 - (12/3x + 1) 3x^2 + 6x - 2 + (12/3x + 1) 3x^2 + 6x + 2 - (12/3x + 1) 3x^2 + 6x + 2 + (12/3x + 1)