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Is y=3^x a function? why or why not?

Is y=3^x a function? why or why not?
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20 votes
Is y=3^x a function? why or why not?

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User Sam Clewlow
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1 Answer

6 votes
It’s not a function of x on the real line, because for every input of a positive real number for x, you get two real outputs
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User Beeker
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