Find the Smallest Positive Integer and the Largest Negative Integer

Multiple Choice

Find the smallest positive integer and the largest negative integer that, by the Upper- and Lower-Bound Theorem, are upper and lower bounds for the real zeros of the polynomial function below.

A) upper bound 2, lower bound -5
B) upper bound 3, lower bound -5
C) upper bound 2, lower bound -1
D) upper bound 1, lower bound -1
E) upper bound 3, lower bound -1