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5.r- The table below shows the profit, P(x)P(x), in dollars, from selling xx items. xx 1...

5.r-

The table below shows the profit, P(x)P(x), in dollars, from selling xx items.

xx 1 2 3 6 9 14
P(x)P(x) 81.4 93 94.8 41.4 -100.2 -532.2


Using your calculator to do a quadratic regression, express the profit as a function of the number of items sold.     
Round all numbers to 1 decimal place.

Using your quadratic regression, estimate the profit from selling 11 items?  Select an answer items dollars  
Round to 2 decimal places.

Using your quadratic regression, estimate the number of items that need to be sold to make a profit of $4 ?  Select an answer items dollars  

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Answer #1

quadratic regression has been done and profit and items are calculated DATE / /201 PAGE. Sauile 84.4 1 I 86 8 194-4 2 4- 23 94-8 933.2 34 48.422 96 1490-4 656 Sll2 801-8 12 1 9 104 6 7 -20.47222 S DATE /201 AGE 千.9 2- -ー243- 2x4

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