Extrapolating with Excel 

i feel so dumb zhen something that took me a long time to explain is explained briefly.

Thank you very much mate, this was very helpful.

Absolutely wonderful!

Also well presented as "Zooming out/in" when dealing with the Efficient Frontier, in financial modelling by Simon Benninga. Same concept, different usage..

turned out to predict 2020 wrong...

Your Hi sounds like Ross's. Great Video, thanks!

How can I do, if I want to know when x axis the procuct wil cost a especific price in Y axis??

didnt work