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If f = v(t) and t = u(x), what is df/dx by the chain rule?
A(dv/dt) + (dt/dx)
B(dv/dt) x (dt/dx)
C(dv/dt) - (dt/dx)
D(dv/dt) / (dt/dx)
Answer & Solution
Correct answer: B. (dv/dt) x (dt/dx)
The chain rule multiplies the derivative of the outer function by that of the inner function.
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