The function is .

Draw the table different values of .

A limit in which  increases or decreases without bound as  approaches  is called an infinite limit.

Observe the table:

As  tends to  from the left hand side,  approaches .

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As  tends to  from the right hand side,  approaches .

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Graph of the function  : 

Observe the graph:

As  tends to  the left hand side,  approaches .

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As  tends to  the right hand side,  approaches . 

. 

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