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If x = f(t) and y = g(t), then by the chain rule dy/dx equals (dx/dt not zero)
A(dy/dt) × (dx/dt)
B(dy/dt) − (dx/dt)
C(dx/dt) / (dy/dt)
D(dy/dt) / (dx/dt)
Answer & Solution
Correct answer: D. (dy/dt) / (dx/dt)
Dividing dy/dt by dx/dt cancels dt, leaving the rate of y with respect to x.
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