Question

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Answer 1

you got excel?

Answer 2

do you know how to do a regression on it?

Answer 3

y = 8E-05x3 - 0.464x2 + 894.85x - 575251

well, this is what i get on a trendline in excel; the only difference might be in the last term

Answer 4

well, other than doing alot of manual labor, none of those match the trendline from excel to good

Answer 5

the other idea i have is to let the wolf do a rref on it

Answer 6

the wolf tries to give an exact equation that doesnt match the options to me

Answer 7

i would :) ... the plots make me think this is a positive first term which means either c or d

Answer 8

ok...:D we r getting closer lol

Answer 9

http://www.wolframalpha.com/input/?i=y%3D0.00679x%5E3+%E2%80%93+0.0000802x%5E2+%2B+1.393x+%2B+0.268%2C+y%3D0.0000802x%5E3+%E2%80%93+0.00679x%5E2+%2B+0.268x+%2B+1.393%3B+x%3D1946

yeah, the purple one is the closest to me

Answer 10

i think its d, but i just cant say for sure. there is no real good option to me

Answer 11

good luck ;)