Find dy/dx in terms of t of the parametric equations x=4e^-2t, y=4 - 2e^2t
x=4e-2t, y=4-2e2t
dy/dx = dy/dt * dt/dx
dy/dt = -4e2t
dx/dt = -8e-2t dt/dx = -1/8 * e2t
dy/dx = (-4e2t)(-1/8 * e2t) = 1/2 * e4t
dy/dx = 0.5e4t
JM
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