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(a)

Find an exponential function to model the data.

Plot the points and obtain the regression equation using Excel-sheet.

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The regerssion equation is $\"\"$ .

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The regerssion equation is $\"\"$ .

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(b)

Use the function to predict the temperature.

Since sharks lose a row of teeth in $\"\"$ days, $\"\"$ .

Substitute $\"\"$ in above exponential equation.

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Apply logarithm on each side.

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Power property of logarithm : $\"\"$ .

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Temparature is $\"\"$ sharks lose a row of teeth in $\"\"$ days.

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(a) The regerssion equation is $\"\"$ .

(b) Temparature is $\"\"$ sharks lose a row of teeth in $\"\"$ days.