Darren accumulated $9,000 in credit card debt. If the interest rate is 4.1% per year and he does not make any payments for 9 years, how much will he owe on this debt in 9 years by compounding continuously? Round to the nearest cent

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Enter the number of complex zeros for the polynomial function f(x) = x 4+ 5x² +6

Sanya noticed that the temperature was falling at a steady rate of 1.4 degrees every hour from the time that she first checked her outdoor thermometer. by 6 a. m., the temperature had fallen 21 degrees. which expression can you use to find how many hours earlier she had first checked the thermometer?