But first, we need to rewrite this expression in some other manner so that the trigonometric limit can be used.. Fenyang's teacher gave him a flow chart (below) and asked him to find lim x → 3 f (x) for f (x) = 2 x 5 1 x 3.
Lets work it out for x=1. Janice lim specializes in family medicine with 28 years of experience caring for patients of all ages.