Assuming that $P \ge 0$, a population is modeled by the differential equation $$\frac{dP}{dt} = 1.2 P \left(1- \frac{P}{4300}\right).$$

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1. For what values of $P$ is the population increasing?
Answer (in interval notation):

2. For what values of $P$ is the population decreasing?
Answer (in interval notation):

3. What are the equilibrium solutions?
Answer (separate by commas): $P =$

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