$\"\"$

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(a)

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Graph the data using regression capabilities of graphing utility:

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$\"\"$

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Observe the graph:

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The equation is $\"\"$ .

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$\"\"$

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(b)

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Graph:

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Graph the function $\"\"$ .

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$\"\"$

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$\"\"$

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(c)

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Graph:

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Graph the function $\"\"$ .

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$\"\"$

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$\"\"$

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(d) Find $\"\"$ and $\"\"$ .

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The equation is $\"\"$ .

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Substitute $\"\"$ .

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$\"\"$

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$\"\"$ .

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The function is $\"\"$ .

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Substitute $\"\"$ .

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$\"\"$

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$\"\"$

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$\"\"$ .

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$\"\"$

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(e) Find $\"\"$ .

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$\"\"$

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$\"\"$

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$\"\"$

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$\"\"$

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$\"\"$ .

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$\"\"$ .

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$\"\"$

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(f)

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The limiting temperature is $\"\"$ .

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No, $\"\"$ has no horizontal asymptote.

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$\"\"$

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(a)

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Graph the data using regression utility:

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$\"\"$

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The equation is $\"\"$ .

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(b)

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Graph:

\

Graph the function $\"\"$ .

\

$\"\"$

\

(c)

\

Graph:

\

Graph the function $\"\"$ .

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$\"\"$

\

(d) $\"\"$ and $\"\"$ .

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(e) $\"\"$ .

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(f)

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The limiting temperature is $\"\"$ .

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No, $\"\"$ has no horizontal asymptote.