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A quantity y varies partly as x and partly inversely as x. When y=2,x=1 and when y=8,x=4. Find an equation connecting y and
4 years ago

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oobleck
y = ax + b/x
now use the two points they gave you and see that
a + b = 2
4a + b/4 = 8
solve for a and b.
check for typos.
4 years ago

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