Posted by Daniella on Wednesday, November 14, 2012 at 12:04am.
y = 3x^2
dy/dt = 6x dx/dt
but dy/dt = 3 dx/dt
3dx/dt = 6x dx/dt
3 = 6x
x = 1/2
if x=1/2, y = (1/2)^3 = 1/8
It would happen at the point (1/2 , 1/8)
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