Help 15
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
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
+1252 
