Using synthetic division and the upper and lower bound tests, find all real zeros of the function .
Hannah is trying to find zeros in the function . She has used synthetic division to find for , , 1, and 3.
Use her results to state an interval in which all real zeros of lie.
Consider the function .
William is using synthetic division to help him find real zeros of .
What can he conclude about −5?
What can he conclude about 2?
Find all the real zeros of .