Select the approximate values of x that are solutions to f(x) = 0, where f(x) = -2x^2 + 9x + 9.

Question

a) {–0.22, 1.00}

b) {-2, 9}

c) {–4.50, –4.50}

d) {–0.84, 5.34}

Answer 1

looks like (D) to me

Answer 2

thank you Steve