V IIIIIIIIIIII Current Attempt in Progress 'Whooping cough was thought to have been almost wiped out by vaccinations. It is now known that the vaccination wears o} 1 leading to an increase in the number of cases, to, from 1248 in 1981 to 25,827 in 2004. (a) With t in years since 1980, nd an exponential function that ts this data. NOTE: Round numbers to three decimal places if necessary. (b) What does your answer to part (a) give as the average annual percent growth rate of the number of cases? NOTE: Round your answer to the nearest percent. The annual percent gowth rate is |:| % (c) On May 4, 2005, the Arizona Daily Star newspaper reported (correctly) that the number of cases had more than doubled between 2000 and 2004. Does your model conrm this report? Explain. Choose one v 1 www.cdc.gov,l1 pertussis [surv-reporting/cases-byyearhtml, accessed Jan 22, 2017