Question

Approximate the real number solution(s) to the polynomial function f(x) = x3 + 4x2 + x - 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
which one?

Answer 1

help?

Answer 2

hhhhelo?