Question: Suppose that = x(t) and y = y(t) are both functions of t. If and dy/dt=-2 when x = 4 and y = -4,

Suppose that = x(t) and y = y(t) are both functions of

Suppose that = x(t) and y = y(t) are both functions of t. If and dy/dt=-2 when x = 4 and y = -4, what is dz/dt? dx/dt = | y+ z = 20,

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