Answer
domain: $\left\{\text{Bob, John, Chuck}\right\}$
range: $\left\{\text{Beth, Dianne, Linda, Marcia}\right\}$
Work Step by Step
The domain is the set of the first coordinates while the range is the set of second coordinates.
Thus, the given relation has:
domain: $\left\{\text{Bob, John, Chuck}\right\}$
range: $\left\{\text{Beth, Dianne, Linda, Marcia}\right\}$
