Physcis P3 Help

[nannes]

How do we solve the equation at the end of a graph question..I mean I know we solve it through y=mx+c but any tips?

 

[mista.lova.lova]

dude, u shd already be having gradient n y-intercept before hand....just put them in the eq : y=mx + c

m = grad
c = y-intercept

 

[okhan]

and do the log or ln thing..