Can you help me out?
I've data as follows:
I want to extapolate the graph and find out the value where this graph cuts the Y-axis i.e. values for 0,2,4 & 6.
Now right click on the trend line and select format trend line, click on display equation, also setup forcast to forcast backwards by 8 units.
Now read all you need off of the plot.
The attachment shows what you should have