17. Which of the following statements must be false? (2)
a. (x) must be equal to 3 at least once on the interval [-8, -1].
b. (x) must equal 2 at least twice on the interval [-12, 0].
c. t(x) can equal 0 a maximum number of three times on the interval [-12, 8].
d.(x)=-3 at least one time on the interval [-12, 8].
e. There is not enough information given to determine the maximum value of f(x) on the interval [-12, 8].