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OpenStudy (anonymous):
PLEASE HELP ME!!! WILL MEDAL!! The price of 9-volt batteries is increasing according to the function below, where t is years after January 1, 1980. During what year will the price reach $5?
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OpenStudy (anonymous):
OpenStudy (anonymous):
C. 20125/1.1= e^0.047t so 1/0.047*ln(5/1.1)=t=32.22 years (in2012)
OpenStudy (anonymous):
You're amazing
OpenStudy (anonymous):
thanks
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