Question: The Osbornes have a small pool and are doing a chlorine treatment. The recursive formula below gives the pool's daily amount of chlorine in grams.

The Osbornes have a small pool and are doing a chlorine treatment. The recursive formula below gives the pool's daily amount of chlorine in grams.
u0 = 300
un = (1 - 0.15)un -1 + 30 where n ≥ 1
a. Explain the real-world meanings of the values 300, 0.15, and 30 in this formula.
b. Describe what happens to the chlorine level in the long run.

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