What is the domain of the set of ordered pairs?

{ (7,-3), (-4,2), (-1,0), (2,-4), (0,-6) }

A. {-6, - 4, - 3, 0, 2}

B. {-3, - 2, - 1, 0, 6, 8}

C. D: {All real numbers from - 3 to 8}

D. {-4, - 1, 0, 2, 7}

D. {-4, 1, 0, 2, 7}

Step-, by-step explanation:

For any order pairs (x, y), x is an element of a Domain and y is an element of a Range.

For { (7, - 3); (-4, 2); (-1, 0); (2, - 4); (0, - 6) }

the set {7; - 4, - 1, 2, 0} is a Domain.