OpenStax, Precalculus 2e §3.9 Modeling Using Variation · Try It 3 · Algebra · Polynomials

Modeling Using Variation · Try It 3

$x$ varies directly with the square of $y$ and inversely with $z .$ If $x = 40$ when $y = 4$ and $z = 2,$ find $x$ when $y = 10$ and $z = 25.$

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OpenStax, Precalculus 2e · §3.9 Modeling Using Variation · Try It 3

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