Homework # 9 - Math 149
The problems on this homework must be done alone. The honor code is in effect.
First name: Last name:
For problems 1 - 4, consider the function $$f(x) = \left\{ \begin{array}{ll} x-1 \hspace{.1 in} & \mbox{if } x \leq 2 \\ x+1 & \mbox{if } x>2\end{array}\right.$$
1. What is \(f(2)\)?
a. 0
b. 1
c. 2
d. 3
e. Undefined
2. What is \(\lim_{x \rightarrow 2^{-}} f(x)\)?
e. Does not exist
3. What is \(\lim_{x \rightarrow 2^{+}} f(x)\)?
4. What is \(\lim_{x \rightarrow 2} f(x)\)?
5. What is \(\lim_{x \rightarrow 2^{-}} \frac{x+1}{(x-2)^2}\)?
a. \(-\infty)\)
b. \(\infty)\)
c. 0
6. What is \(\lim_{x \rightarrow 2^{+}} \frac{x+1}{(x-2)^2}\)?
7. What is \(\lim_{x \rightarrow 2} \frac{x+1}{(x-2)^2}\)?