 Basic Function Practice Terms of Use    Contact Person: Donna Roberts  1.
Which of the following diagrams shows a relation that is not a function?
Choose:    2.
Given that relation S = {(5,-1),(-2,3),(-3,4),(k,1),(2,-2),(-6,0)}.
Which of the following values for k will make relation S a function?

Choose:
 -2 -3 3 5

3.
Which of the following graphs is not a function?

Choose:    4.
Which of the following relations is a function?
 {(3,7), (5,8), (2,1), (1,3),(5,9)} {(-1,2), (-2,-4), (-4,-5), (-3,-4), (-2,-2)} {(2,1), (1,1), (-3,3), (-4,3), (0,0)} {(7,1), (7,2), (7,3), (7,4), (7,5)}

5.
Is the relation shown in this chart a function?
 x -2 3 -5 -3 4 -2 -4 y -4 7 1 0 3 4 -5

Choose:
 Yes No Cannot be determined from this chart 6. Given: the values x = {-3, -2, -1, 0, 1, 2, 3} are input into a function machine y = x2 - 1.
Which of the following sets will be the output from the machine?
Choose:
 {-3, -2, -1, 0, 1, 2, 3} {-4, -3, -2, -1, 0, 1, 2} {9, 4, 1, 0} {8, 3, 0, -1}

7.
Is the relation shown in this chart a function?
 x -3 -2 -1 0 1 2 3 y -2 -2 -2 -2 -2 -2 -2
Choose:
 Yes No Cannot be determinedfrom this chart 8.
Which of the following relations is not a function?

Choose:
 x + y = 5 y = x2 + 6 y = |x - 2| x2 + y2 = 9

9.
Is the relation shown in this chart a function?
 x 7 5 3 6 4 5 1 y 9 3 7 0 -3 3 7

Choose:
 Yes No Cannot be determined from this chart 10. Given: the values x = {-1, 0, 3, 8, 15} are input into a relation machine Will these x-values and their output form a function?
Choose:
 Yes No Cannot be determined. 