Question 196989
which shows direct variation? 
a)y=4
No variation
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b)y=3x-2
Direct; as x increases, y increases
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c)xy=10
Indirect ; as x increases, y decreases
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d)y=-4x
Direct; as x increases y becomes more negative 
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e)x=3
None ; not a function
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Cheers,
Stan H.