Question: You wrote a new function named `snap` in an m-file and when you call it, you're not getting the output you expect. You previously wrote a different function named `snap`, which you think might also be on the search path. Which command can you use to see if the old `snap` function is being called?

  1. which
  2. who
  3. lookfor
  4. what

Answer: The correct answer of the above question is Option A:which