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The function f(x) varies inversely with x and f(x) = -15 when x = 30

what is the inverse variation equation

User Holmes IV
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1 Answer

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f(x) = k/x

f(30) = -15
⇒ k/30 = -15
⇒ k = 30 * -15 = -450

f(x) = -450/x

Hope it helps!
User Abir Chokraborty
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