The function is $\"\"$ , where $\"\"$ and $\"\"$ are nonzero integers, and $\"\"$ and $\"\"$ are integers.

(a) when $\"\"$ , and choose the values for $\"\"$ .

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(b).

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(c)

Observe the above two tables:

As $\"\"$ tends to $\"\"$ , $\"\"$ approches to $\"\"$ .

$\"\"$ and $\"\"$ .

(a)

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(b)

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(c)

$\"\"$ and $\"\"$ .