With the regression equation shall we predict for the values outside the recorded observation? For example if Y ranges from 20 to 30 units, on finding the relation Y=f(x) shall we extrapolate for values >30

With the regression equation shall we predict for the values outside the recorded observation? For example if Y ranges from 20 to 30 units, on finding the relation Y=f(x) shall we extrapolate for values >30