According to the US Department of Education, enrollment in teacher preparations programs in Arizona has plunged 42% to 418,573 in 2014 from 6 years earlier. A) Define an exponential function that determines the enrollment in teacher prep programs as a function of time. Define all variables.  B) By what percent is enrollment changing every two years?  C) If this trend continues, in what year would we expect enrollment to reach only 100,000? Solve algebraically

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