Chapter 1.3, Problem 3E

Use the given graph of f to state the value of each quantity, if it exists. If it does not exist, explain why.

(a) $\underset{x\to 2^{-}}{\lim }f(x)$

(b) $\underset{x\to 2^{+}}{\lim }f(x)$

(c) $\underset{x\to 2}{\lim }f(x)$

(d) $f(2)$

(e) $\underset{x\to 4}{\lim }f(x)$

(f) $f(4)$