OpenStax, Precalculus 2e §3.9 Modeling Using Variation · Exercise 24 · Algebra · Polynomials

Modeling Using Variation · Exercise 24

Use the given information to find the unknown value.

$y$ varies directly as $x$ . When $x = 3$ , then $y = 12$ . Find $y$ when $x = 20.$

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OpenStax, Precalculus 2e · §3.9 Modeling Using Variation · Exercise 24

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