Answer: option a.
Step-by-step explanation:
The
give us information about the behavior of the function when the variable <em>x </em>gets closer to the value <em>a. </em>In other words, it tells us to what value <em>y</em> gets closer when <em>x </em>gets closer to the value <em>a. </em>
<em> </em>In this case we are evaluating the limits when:
of the function shown in the graph.
As you can observe in the graph, when:
, 
, 
, 