For the function [math],
its [math]-intercept is [math]
its [math]-intercepts are [math] .
Note: If there is more than one answer enter them separated by commas. If there are none, enter none .
When [math], [math] [math] (Input + or - for the answer)
When [math], [math] [math] (Input + or - for the answer)

Your overall score for this problem is