tatumleigh04
tatumleigh04
23.01.2021 • 
Mathematics

17.) The optimal depth for a certain reservoir is between 50 and 60 feet (inclusive). Its depth reached a maximum of 64 feet on March 1st, and then began to decrease at a rate of 0.5 foot per
week. The inequality below can be solved for n, the number of weeks after March 1st for which
the reservoir will be at optimal depth.

50 S 64-0.50 s 60

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