The function is .

(a)

Graph the function .

Observe the graph :

As  increases  tends to .

Therefore, .

(b)

The limit is.

.

(c)

LHopitals Rule: If  or  then .

No, you canot use LHopitals Rule.

Since here  is not indetermnant form.

(a)

Graph of the function .

Observe the graph :

.

(b) .

(c) 

No, you canot use LHopitals Rule.