SOLUTION: Write a function to model this variation. z=6 when x=4 and y=3. z varies directly with y and inversely with x.

Algebra ->  Rational-functions -> SOLUTION: Write a function to model this variation. z=6 when x=4 and y=3. z varies directly with y and inversely with x.       Log On


   

Question 1108001: Write a function to model this variation.
z=6 when x=4 and y=3. z varies directly with y and inversely with x.

Answer by stanbon(75887) About Me  (Show Source):
You can put this solution on YOUR website!
Write a function to model this variation.
z=6 when x=4 and y=3. z varies directly with y and inversely with x.
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z = k*y/x
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Solve for "k"::
6 = k*3/4
k = 8
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Equation::
z = 8*y/x
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Cheers,
Stan H.
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