### Home > PC3 > Chapter 8 > Lesson 8.3.2 > Problem 8-105

8-105.

Let

The limit must approach the same height from both sides in order to exist.

Which piece of the function should you use?

Is the function continuous at

? Use the formal definition of continuity to justify your answer.For a function to be continuous at a point, the one-sided limits must agree and they must equal the value of the function at that point.

Is the function continuous at

? Use the formal definition of continuity to justify your answer.