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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