AP Calculus BCeasymcq1 pt
A parametric curve is defined by x(t) and y(t). The derivative dy/dx equals
A.(dy/dt)/(dx/dt)
B.(dy/dt)(dx/dt)
C.(dx/dt)/(dy/dt)
D.dy/dt + dx/dt
Explanation
Core Concept
The chain rule gives dy/dx = (dy/dt) ÷ (dx/dt).
Correct Answer
A(dy/dt)/(dx/dt)
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