The requested x-value lies outside the range of x-values already on the graph. Extrapolation works best with linear graphs.
Yes it is. It is a past tence suffix
SANDY(:
samba the dance?? because is a competition or because people just wanna hav fun !
You use extrapolation to estimate the value of a result (or point) outside the range of a series of your known values. It's like extending a "best fit line" on a graph, to see the hypothetical values...