CPM Homework Help : APCALC Problem 8-72

Multiple Choice: The graph of $f ( x ) = \frac { \operatorname { sin } ( x ) } { x }$ has:

Hint 1:

Check: $\lim\limits_{x\rightarrow 0-}f(x)= \ \ \text{ and } \ \ \lim\limits_{x\rightarrow 0+}f(x)=$

Hint 2:

Check: $\lim\limits_{x\rightarrow \infty}f(x)= \ \ \text{ and } \ \ \lim\limits_{x\rightarrow -\infty }f(x)=$

Hint 3:

Check: $f(x) = 0$