3) Use the Intermediate Value Theorem to choose an interval over which the following function is guaranteed to have a zero.

Question

F(X)=6x^3-4x+2

A. [-4 , -2]
B. [-2 , 0]
C. [0 , 1]

Answer 1

D. [1 , 4]

B. [-2 , 0]

Answer 2

well, [1,4] isn't one of the choices, but B is correct, since
f(-2) = -38
f(0) = 2