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Post-Assessment (Ms.Johnson)
2
-2
4
-4
6
-6
2
-2
4
-4
6
-6
8
-8
10
-10
Is this a function?

Cannot be determined
Yes
No
4
-4
8
-8
4
-4
8
-8
12
-12
Is this a function?
Cannot be
    determined
Yes
No
Is this a function?
Yes
No
Cannot be    determined
Is this a function?
Cannot be
    determined
Yes
No
Cannot be
    determined
Yes
No
Is this a function?
Function?
Yes
No
Cannot be
    determined
No
Cannot be determined
Yes
Is this a function?
What is the domain of the following relation?
{(4, 1), (-3, 1), (3, 6)}
{1, 6}
{-3, 3, 4}
{4, 3}
{-3, 1, 3, 4, 6}
What is the range of the relation?
{(-1, 4), (2, 4), (6, -4), (0, 3), (5, 3)}
{-1, 0, 2, 5, 6}
{-4, 3, 3, 4, 4}
{-4, 3, 4} 
{4, 3}
When determining whether a relation is a
function, which coordinate cannot repeat?
x-coordinate
y-coordinate
x- and y-coordinates
Which coordinate is the domain?
x-coordinate
y-coordinate
z-coordinate
the domain does not consist of
    any coordinates
Remember:  a relation is a set of ordered pairs.
Is this relation a function?
{(1, 4), (-5, 2), (4, 1), (1, 6)}
Yes
No, because "1" repeats 
No, beause "4" repeats
Cannot be determined
  • 13. F1 Jennifer and Shelly were discussing functions and trying to identify weather or not this data set was a function. Shelly argued that this was a function because each arrow went to a number in the y column, therefore each input had an output. Jennifer disagreed. She believes that this data does not display a function because each input does not have only one output. Determine who is correct. Choose the answer that BEST describes the reasoning (remember there could be more than one correct answer, but choose the BEST answer)
A) Shelly is correct because this represents a function where each input has exactly one output.
B) Jennifer is correct because a function assigns one input to exactly one output and 3 has more than 1 output.
C) Shelly is correct, this is a function.
D) Jennifer is correct because it is not a function.
  • 14. F1
A) (0,0)
B) (-1,-7)
C) (-1,7)
D) (7,-1)
  • 15. F1 Amber and Kelly were discussing these sets of relations listed below. Kelly is trying to determine which relation set is a function. Identify the relation that contains a function.
A) {(0, 4), (5, 6), (5, 8)}
B) {(1, 2), (2, 2), (3, 4)}
C) {(1, 2), (-1, 3), (-1, 8)}
D) {(3,7), (3, 6), (5, 3)}
  • 16. F3 Determine which of the following is true about the data in the table?
A) C
B) B
C) D
D) A
  • 17. F3 Choose the equation that represents a non-linear function.
A) Y = 4x3 -4
B) y = 1/2x -6
C) y = 2x + 5
D) y = 5 + 2/3x
  • 18. F3 Select the graph that displays a linear function.
A) D
B) E
C) B
D) A
  • 19. F4 Decide which of the following equations represents the function rule of the table?
A) y = 4x-5
B) y = 3x + 7
C) y = x + 4
D) y = 4x
  • 20. F4 The table shows the total number of people served at Thrashers on a Saturday in July. If the pattern continues, what will be the total number of people served by 5:00?
A) 1015
B) 1240
C) 1465
D) 1695
  • 21. F4 Decide which of the following tables shows a constant rate of change between its x- and y-variables?
A) A
B) B
C) D
D) C
  • 22.
  • 23.
1. Is the relationship linear or not linear?
a linear relationship
NOT a linear relationship
5x+2=y
2. Is the relationship linear or not linear?
a linear relationship
NOT a linear relationship
4. Is the relationship linear or not linear?
x•y = 2x2 + 6x
a linear relationship
NOT a linear relationship
5. Is the relationship linear or not linear?
a linear relationship
NOT a linear relationship
x
6
4
2
12
18
6
y
6. Is the relationship linear or not linear?
x = 6y – 12
a linear relationship
NOT a linear relationship
7. Is the relationship linear or not linear?
a linear relationship
NOT a linear relationship
-1
x
0
1
2
y
4
5
6
7
10. Is the relationship linear or not linear?
-y = x - 7
a linear relationship
NOT a linear relationship
11. Is the relationship linear or not linear?
a linear relationship
NOT a linear relationship
6x2+2=7
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