### Home > APCALC > Chapter 4 > Lesson 4.1.3 > Problem 4-39

4-39.

Let

What is

? Notice that the boundary point is

. Which piece is to the right of that boundary point?What is

? Which piece of

is to the left of the boundary point?What do your results from parts (a) and (b) tell you about

?Do not claim continuity (or discontinuity) without accounting for all three conditions.