Question: I need help 4. Let x and y be functions of time t, such that sum of x and twice y is constant. Which of

I need help 4. Let x and y be functions of

I need help

4. Let x and y be functions of time t, such that sum of x and twice y is constant. Which of the following equations describes the relationship between the rate of change of x with respect to time and the rate of change of y with respect to time. dx = 2 35 -2 dx dt = 2 D. 2 0 y = 0

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