If y is inversely proportional to x2
, how is y affected when
(a) x is doubled?
(b) x is decreased by 75%
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ANSWER
y is inversely proportional to x
or, y=
x
k
or, k=xy
If x is doubled,
y=
2x
k
=
2
y
Hence y is halved
Step-by-step explanation:
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