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HELP ASAP!!! Is each of the following a function? yes or no 1: (2,1) (4,3) (6,5) (8,7) 2: (2,1) (4,3) (6,5) (2,7) 3: (2,1) (4,1) (6,5) (8,7)

HELP ASAP!!! Is each of the following a function? yes or no 1: (2,1) (4,3) (6,5) (8,7) 2: (2,1) (4,3) (6,5) (2,7) 3: (2,1) (4,1) (6,5) (8,7)
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HELP ASAP!!!

Is each of the following a function? yes or no

1: (2,1) (4,3) (6,5) (8,7)

2: (2,1) (4,3) (6,5) (2,7)

3: (2,1) (4,1) (6,5) (8,7)

User Rashaun
by
8.5k points

1 Answer

3 votes
The first and the last one are functions

The second one is not a function as the x value 2 is repeated
User Matthew Lewis
by
8.3k points
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