Refer to the relation below to answer the following questions. \[ \{(7,8),(9,9),(-5,-5),(-4,4)\} \] a. Find the domain and range of the relation. The domain of the relation is The range of the relation is (Use a comma to separate answers as needed.)

Step 1 ：The domain of a relation is the set of all first elements (x-coordinates) in the ordered pairs. The range of a relation is the set of all second elements (y-coordinates) in the ordered pairs.

Step 2 ：In this case, the relation is \(\{(7,8),(9,9),(-5,-5),(-4,4)\}\).

Step 3 ：So, the domain is \{7, 9, -5, -4\} and the range is \{8, 9, -5, 4\}.

Step 4 ：\(\boxed{\text{The domain of the relation is }\{9, -5, -4, 7\}\text{ and the range of the relation is }\{8, 9, -5, 4\}}\)