8M: 4-2 QC (functions)

1. What kind of test can be used

to determine whether the

graph is a function?

Side Line Test

 Vertical Line Test

Straight Line Test

Horizontal Line Test

2. This is the graph of a function.

False

 True
 True
3. The graph pictured is a function.

False

4. The collection of points shown is a function.

True

 False
5. The graph below is a function.
 True

False

6. Determine whether the mapping diagram shows

 a function.

Function

3

x

5
7
9

Not a Function

y

1
4
11
16

7

7. Determine whether the mapping diagram shows

 a function.

1

x

2

3

4

5

-2

-9

y

7

8

 Function

Not a Function

Not a Function

{ (-4,3) , (-3,2) , (-2,1) , (-1,0) , (0,-1)}

8. Determine whether the

    set of points is a function.

 Function
9. Determine whether the given points are a function.

A function

{ (0,0) , (1,2) , (3,6) , (1,-4) , (-3,-6)}

NOT a function

10. Does the t-chart represent a function?
YES
-1
x
2
0
2
NO
3
7
5
9
y
11. Does the t-chart represent a function?
YES
-1
x
2
0
5
NO
3
7
3
11
y
12. This graph is a function.
True
False
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