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10 cards from this deck
Problems where 2+ quantities change & rates relate via equation
Identify quantities changing with respect to time
Differentiate equation w.r.t. time (implicit differentiation)
dydx×dxdt\frac{dy}{dx} \times \frac{dx}{dt}dxdy×dtdx
Positive
Negative
2πr2\pi r2πr
2π2\pi2π
Implicit differentiation
V=13πr2hV = \frac{1}{3}\pi r^2 hV=31πr2h
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