Graph 1 Graph 2 Graph 3 Л y 4 6 6 4 4 2 27 2T -4 -2 -8 -6 4 -2 -2 2 8 -8 -6 -4 2 4 8 -4 -4 -6 -6 -4 -8 -8 Function? Yes ONo Yes ONo Yes No Graph 4 Graph 5 Graph 6 2 y 4 2 -2 -1 2 4 |-2 -2 -1 |4 -2 Function? Yes Yes No Yes No No ?

Algebra: Structure And Method, Book 1
(REV)00th Edition
ISBN:9780395977224
Author:Richard G. Brown, Mary P. Dolciani, Robert H. Sorgenfrey, William L. Cole
Publisher:Richard G. Brown, Mary P. Dolciani, Robert H. Sorgenfrey, William L. Cole
Chapter9: Systems Of Linear Equations
Section9.5: Multiplication With The Addition-or-subtraction Method
Problem 37WE
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Graph 1
Graph 2
Graph 3
Л
y
4
6
6
4
4
2
27
2T
-4
-2
-8
-6
4
-2
-2
2
8
-8 -6 -4
2
4
8
-4
-4
-6
-6
-4
-8
-8
Function?
Yes
ONo
Yes
ONo
Yes
No
Graph 4
Graph 5
Graph 6
2 y
4
2
-2
-1
2
4
|-2
-2
-1
|4
-2
Function?
Yes
Yes
No
Yes
No
No
?
Transcribed Image Text:Graph 1 Graph 2 Graph 3 Л y 4 6 6 4 4 2 27 2T -4 -2 -8 -6 4 -2 -2 2 8 -8 -6 -4 2 4 8 -4 -4 -6 -6 -4 -8 -8 Function? Yes ONo Yes ONo Yes No Graph 4 Graph 5 Graph 6 2 y 4 2 -2 -1 2 4 |-2 -2 -1 |4 -2 Function? Yes Yes No Yes No No ?
Expert Solution
Step 1

Note that, if the vertical line touches the graph at exactly one point then the graph of the given curve is a function, otherwise not a function.

Graph 1:

Yes, because all y- values have different x – values.

Graph 2:

No, because any vertical line intersects the graph at more than one point.

Graph 3:

Yes, as any vertical line intersect the graph at only one point.

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