Question: In Problems 1 3 1 6 , write a differential equation that fits the physical description. 1 3 . The rate of change of the

In Problems 1316, write a differential equation that fits the
physical description.
13. The rate of change of the population p of bacteria at
time t is proportional to the population at time t.
14. The velocity at time t of a particle moving along a straight
line is proportional to the fourth power of its position x.

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