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Given that y is inversely proportional to 𝑥

2

, how is y affected if:

19. x is halved? 20. x is increased by 20%

 

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 Feb 7, 2022
 #1
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Y = 1/x          ( or was that SUPPOSED to be   y is inversely proportional to x ??)     

 

If x is halved

Y = 1/(.5x)

Y = 2/x = 2 * 1/x      Y is doubled

 

X increases 20%

 

Y = 1/(1.2x)  =   5/6  * 1/x      Y becomes  5/6 of the original

 Feb 7, 2022

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