A variable 'f' varies jointly as 'g' and the square of 'h' and inversely as 'j'. If f=-14 when g=5, h=8, j=20, what is 'f' when g=4, h=6 and j=9?

Thanks.

F=Constant*gh/j

Use the data for determine the constant.

Then, use the second set of data to determine f.

1 answer

Find an equation of joint variation. Then solve for the missing value.f varies jointly as g, h, and j.One set of values is f = 18, g = 4, h = 3, and j = 5.Find f when g = 5, h = 12, and j = 3.
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