Question

Approximate the real number solution(s) to the polynomial function f(x) = x^3 – 2x^2 – 5x + 6 .

x = –3, x = –1, x = 2

x = 3, x = 1, x = –2

x = 3, x = –1, x = 2

x = –3, x = 1, x = –2