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The function is \"\".

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(a)

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Graph :

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Graph the function \"\":

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\"\"

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From the graph, there are two horizontal asymptotes and one vetical asymptote.

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Find \"\".

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Observe the graph.

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As \"\" tends to \"\"\"\" approaches to \"\".

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Hence \"\".

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Find \"\".

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Observe the graph.

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As \"\" tends to \"\"\"\" approaches to \"\".

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Hence \"\".

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(b)

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The function is \"\".

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Construct the table for different values of \"\", to estimate the value of \"\" :

\ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \
\"\"\"\"
\"\"\"\"
\"\"\"\"
\"\"\"\"
\"\"\"\"
\"\"\"\"
\"\"\"\"
\"\"\"\"
\"\"\"\"
\"\"\"\"
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Observe the table.

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As \"\" tends to large positive number, then \"\" approaches to \"\".

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Hence \"\".

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Construct the table for different values of \"\", to estimate the value of \"\" :

\ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \
\"\"\"\"
\"\"\"\"
\"\"\"\"
\"\"\"\"
\"\"\"\"
\"\"\"\"
\"\"\"\"
\"\"\"\"
\"\"\"\"
\"\"\"\"
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Observe the table.

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As \"\" tends to large positive number, then \"\" approaches to \"\".

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Hence \"\".

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(c)

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The function is \"\".

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Find \"\".

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\"\"

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\"\".

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Find \"\".

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\"\"

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As \"\" then \"\" becomes \"\".

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\"\"

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\"\".

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(a) \"\" and \"\".

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(b) \"\" and \"\".

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(c) \"\" and \"\".