Nt1330 Unit 3 Assignment 1

Student
1
2
3
4
5
Total
User, Guest
C
B
D
D
B
(4/5)
1. Which of the following ordered pairs corresponds to an arrow on a mapping diagram that starts at 4 and ends at 1? A. (1, 1)
B. (1, 4)
C. (4, 1)
D. (4, 4)
Correct Answer: C — (4, 1)
Explanation: (4,1) corresponds to an arrow on a mapping diagram that starts at 4 and ends at 1. The first value in an ordered pair is the x-coordinate, which corresponds to the input column on a mapping diagram. The second value is the y-coordinate, which corresponds to the output column.
You answered this question correctly!
Back to Top
2. What is the domain of the relation {(3, 4), (4, 3), (4, 4), (5, 2)}?
A. {2, 3, 4, 5}
B. {3, 4, 5}
C. {4}
D. {2, 3, 4}
Correct Answer: B — {3, 4, 5}
The domain is the set of input values in a relation. The input values are the x-coordinates in the ordered pairs.
You answered this question correctly!
Back to Top
3. Which of the following ordered pairs could be in a relation that has a range of {2, 4, 5}?
A. (2, 3), (4, 1), (5, 2)
B. (5, 3), (5, 4), (5,