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Determine whether there a function or not a function
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4 votes
Determine whether there a function or not a function

Determine whether there a function or not a function-example-1
Determine whether there a function or not a function-example-1
Determine whether there a function or not a function-example-2
User Tjmehta
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4.7k points

2 Answers

3 votes

Answer:

20 no

21 yes

if you draw a line parallel with y axes

if it cut graph in two points or more than it's not function

User Cts
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5.1k points
4 votes

Answer:

21 is a function but 20 is not

User ILikeTacos
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5.1k points
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