What is the domain of (7, 1) (5, -4) (-3, 3) (-6, -9)

X = {7, 5, -3, -6}

Step-by-step explanation:

The domain is the set {7, 5, -3, -6}

Step-by-step explanation:

The domain of a mathematical relationship (such as a set of ordered pairs) is the set of first elements in the pairs. Each element only needs to be listed once, even if it occurs in the relationship more than once.

The range of a mathematical relationship (such as a set of ordered pairs) is the set of second elements in the pairs. Each element only needs to be listed once, even if it occurs in the relationship more than once.

Hope this helps!