Let f(x) = 8x3 − 28x 61 and g(x) = 2x 5. find f of x over g of x. 4x2 10x 34 116 over quantity of 2 x plus 5 4x2 10x 34 quantity of 2 x plus 5 over 116 4x2 − 10x 11 quantity of 2 x plus 5 over 6 4x2 − 10x 11 6 over quantity of 2 x plus 5