WODB- Limits #2

Here's the 2nd in the Limits WODB series. I am open to ideas and feedback on any of these, so please feel free to suggest improvements! 

A- Can be evaluated with direct substitution

B- Limit exists at a point where function is undefined

C-  Limit does not equal defined value of function, not as x approaches 2, is a graph

D- Limit does not equal 5, Limit DNE