Determine whether there a function or not a function

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Shahbaz Akram asked May 20, 2022

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42 votes

Determine whether there a function or not a function

Determine whether there a function or not a function-example-2

Mathematics
high-school

Shahbaz Akram asked May 20, 2022

by Shahbaz Akram

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14 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

Max Markov answered May 21, 2022

by Max Markov

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24 votes

Answer:

21 is a function but 20 is not

Aroc answered May 23, 2022

by Aroc

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