A culture contains 10,000 bacteria, with the population increasing exponentially. The culture contains 35,000 bacteria after 9 hours. a. Write a function in the form y = you" giving the number of bacteria after t hours. b. Write the function from part a in the form y = yoat. C. How long will it be until there are 65,000 bacteria? a. The exponential equation is (Round to three decimal places as needed.)