+0  
 
-1
207
2
avatar+4116 

Help 15

 Nov 23, 2018
 #1
avatar+1035 
0

It looks like for every x the y is increasing by 1.5x. The closest one is D, because \(200\times 1.5\) is around 415.

 

You are very welcome!

:P

 Nov 23, 2018
 #2
avatar+107348 
+1

The regression formula is

 

f(x) = 1.476 (2.017)^x       when x is 7, we have

 

f(x) = 1.476 (2.017)^7   = 200.64

 

 

cool cool cool

 Nov 24, 2018

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