1. Rank the following Big-O's from fastest to slowest
       - O(n^2)
       - O(n)
       - O(n*log(n))
       - O(log(n))
       - O(log(n) * log(n))
       - O(x^n)

  2. Which big-O is bigger?

     - Linear or Logarithmic
     - Polynomial or n-log-n
     - Cubic or Exponential