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Is y=2x-5 a function?
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Is y=2x-5 a function?

User BradVoy
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1 Answer

4 votes
Yes it is.
It says ...
"Whatever number anybody drops into the funnel on top,
double the number, then subtract 5, then turn the crank
and drop the result out the bottom."


User Arunjith R S
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7.0k points
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