Exponential Equations

[momof3boys]

I need to make an exponential equation and solve it for each set of data. I dont know what to do. Can you please help.
Average fetal length
(in inches at # of weeks pregnant)
23 Weeks 11.38
25 Weeks 13.62
27 Weeks 14.41
29 Weeks 15.2
31 Weeks 16.18
33 Weeks 17.20
35 Weeks 18.19
38 Weeks 19.61

Average Fetal Weight
(in Pounds at # of weeks pregnant)
23 Weeks 1.10
25 Weeks 1.46
27 Weeks 1.93
29 Weeks 2.54
31 Weeks 3.31
33 Weeks 4.23
35 Weeks 5.25
38 Weeks 6.80

 

[mmm4444bot]

These data do not represent exponential growth.

But, we could "fit" these data to an exponential model by finding an equation of "best fit".

Is this what you've been asked to do?

It's a very tedius process by hand; most students use software. Are you supposed to do it by hand?

What have you already learned about exponential functions?