Question

What is the domain of the following function? {(1,2), (3, 4), (5, 6), (7,8)}

A {1,3,4,6,8}
B {2,4,6,8}
C {1,2,3,4}
D {1,3,5,7}

Answer 1

D. {1, 3, 5, 7}

Explanation:

The domain is the list of first numbers in the ordered pairs. Those numbers are {1, 3, 5, 7}.