Domain means a set containing all possible values of the first value of the selected ordered pairs.
Can you identify which ordered pairs she chose?
1. Cynthia used some of the ordered pairs from the set below to make a new set.
{(4, –3), (–2, 5), (5, 4), (7, 2), (2, –7)}
She wrote the domain of this set as {2, 4, 5}. Which ordered pairs from the original set did Cynthia use to make her new set?
a)(–2, 5), (7, 2), (5, 4)
b)(5, 4), (2, –7), (4, –3)
c)(2, –7), (4, –3), (–2, 5), (5, 4)
d)(4, –3), (–2, 5), (5, 4), (7, 2)
1 answer