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 Polynomial Functions in PreCalculus

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Use a graphing calculator to write a polynomial function to model this set of data 

{(5,2) (7,5) (8,6) (10,4) (11, -1) (12 -3) (15,5) (16,9)} 

A) f(x) = 2x3 + 2.70x2 + 0.09x - 65.21 

B) f(x) = 2x3 - 0.09x - 65.21 

C) f(x) = 0.09x3 - 2.70x2 + 24.63x - 65.21 

D) f(x) = x4 - 5.7x3 + 2.70x2 + 24.63x - 65.21

 Nov 14, 2014

Best Answer 

 #1
avatar+118723 
+5

None of them look like they fit to me - I probably made several copy errors LOL

You see if you can find them :))

 

https://www.desmos.com/calculator/ymxfao9gc1

 Nov 15, 2014

1+0 Answers

 #1
avatar+118723 
+5
Best Answer

None of them look like they fit to me - I probably made several copy errors LOL

You see if you can find them :))

 

https://www.desmos.com/calculator/ymxfao9gc1

Melody Nov 15, 2014

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