Answer
Domain: {Polar bear, Cow, Chimpanzee, Giraffe, Gorilla, Kangaroo, Red fox}, Range: {7, 10, 15, 20}, Yes
Work Step by Step
The domain is the set of inputs listed, or {Polar bear, Cow, Chimpanzee, Giraffe, Gorilla, Kangaroo, Red fox}. The range is the set of outputs listed, or {7, 10, 15, 20}. This relation is a function because each component of the domain corresponds to exactly one component in the range.