Find the limit if it exists
1. As delta x approaches 0 limit from the left
((1/x+delta(x)-(1/x))/((delta(x))
2. This second limit is kind of confusing
As x approaches 3
where f(x)=
(x+2)/2 x < or equal to 3
12-2x/3 x>3
Would I just plug in 3+2/2=2.5?