I'm not super with math but I need to make a function in my web app to get the value of a point on a curve when I know the curve points that are set. Here is what I did, I put a set of point with the x and y set at the know points then did an exponential trend line with limits of 1.15 to 3 for the x value. The y value ranges from 0-1000. I get for the formula output from excel as
y = 5.3785e0.7204x R² = 0.9898
Here are the points I have
x y 10 3 25 2.95 50 2.75 100 2.5 200 2 300 1.5 1000 1.15
I short i need to have my web app say, what is the y value when x is 176. I know this is probably simple for you math guys but I'd be thankful the help. Cheers