1. FUNCTIONS: A REVIEW
ASSESSMENT QUESTIONS

2. QUESTION 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)

3. What is the domain of the relation:
QUESTION 2
What is the domain of the relation:
{(3, 4), (4, 3), (4, 4), (5, 2)}?
{2, 3, 4, 5} B. {3, 4, 5}
C. {4} D. {2, 3, 4}

4. QUESTION 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, 2)
C. (4, 3), (5, 5), (5, 2)
D. (3, 4), (5, 5), (5, 2)

5. Which of the following relations represents a
QUESTION 4
Which of the following relations represents a
function?
A. {(1, 1), (1, 2), (1, 3)}
B. {(1, 1), (2, 1), (3, 1)}
C. {(1, 1), (2, 2), (3, 3)}
D. Both B and C

6. QUESTION 5 Which of the following graphs represents a function?
A. Graph A (parabola)
B. Graph B (hyperbola)
C. Graph C (circle)
D. Graph D
(horizontal parabola)

7. Which of the following could not be true for a
QUESTION 6
Which of the following could not be true for a
function?
A. Domain is {2}, Range is {2}
B. Domain is {2, 3}, Range is {2}
C. Domain is {2}, Range is {2, 3}
D. Domain is {2, 3}, Range is {2, 3}