The table below gives for the value of continuous function f at each z-value. Using the Intermediate Value Theorem and the information in the table, determine the smallest interval in which the function must have a root. f(x) -5 9.25 -4 8.03 -3 7.05 -2 7.01 -1 1.02 0 0.69 1 2.43 2 5.45 3-0.76 4 4.93