Question

Consider the following.
h(x) = x^4 − 9x^2 + 4
Use the Intermediate Value Theorem and the table feature of a graphing utility to find intervals one unit in length in which the polynomial function is guaranteed to have a zero. (Select all that apply.)
[2, 3]
[−1, 0]
[3, 4]
[−4, −3]
[0, 1]
[−3, −2]