In the following, if your answer includes more than one interval write the intervals separated by the “union” symbol, [math], which you can type as U. If you need to enter the [math] symbol, type it as inf.
Given that [math] and [math], find and simplify the following:
  1. [math] and the domain of [math] is
  2. [math] and the domain of [math] is
  3. [math] and the domain of [math] is
  4. [math] and the domain of [math] is

Solution: