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  3. find a third-degree-polynomial model of salinity 

Find a third-degree-polynomial model of salinity  as a function of time . Use the general form of a...

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Advance Math

Find a third-degree-polynomial modelof salinity  as a function of time . Use the general formof a polynomial in the box on page 114 of our textbook. Hint:proceed much as you did for the quadratic model, and look ahead tothe next paragraph.

Explain why it’s possible to find morethan one third-degree-polynomial model that fits the dataperfectly.

Use your third-degree-polynomial modelto predict the salinity at .

Make a large graph of yourthird-degree-polynomial model, at least through .

Use your third-degree-polynomial modelto predict the long-term trend of salinity.

time

salinity

0

20.0 ppt

1 year

14.0 ppt

2 years

10.0 ppt

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