Let
[math]

Find each point of discontinuity of [math]

** NOTE: **
When using interval notation in WeBWorK, remember
that:

You use 'INF' for [math]

If you have more than one point, give them in
numerical order, from smallest to largest.

If you have extra boxes, fill each in with an 'x'.

Point 1: [math]

[math]

[math]

Point 2: [math]

[math]

[math]

Point 3: [math]

[math]

[math]

Your overall score for this problem is