$\"\"$

(a)

Consider limit $\"\"$

$\"\"$

Apply L $\"\"$ Hospital $\"\"$ s Rule.

L $\"\"$ Hospital $\"\"$ s Rule: If $\"\"$ or $\"\"$ then $\"\"$ .

$\"\"$

Therefore, $\"\"$ .

$\"\"$

(b)

Observe the graph :

The slope of the line joining $\"\"$ and $\"\"$ is approximately $\"\"$ .

When the value of the $\"\"$ , the limit $\"\"$ value is approximately equal to $\"\"$ .

$\"\"$ .

$\"\"$

(a) $\"\"$ .

(b) $\"\"$ .