## College Algebra (10th Edition)

domain: $\left\{\text{Bob, John, Chuck}\right\}$ range: $\left\{\text{Beth, Dianne, Linda, Marcia}\right\}$
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: $\left\{\text{Beth, Dianne, Linda, Marcia}\right\}$