At the beginning of a study a certain culture of bacteria has a population of 40 The population grows according to a continuous exponential growth model Aft 12 days there are 124 bacteria a Lett be the time in days since the beginning of the study and let y be the number of bacteria at time t Write a formula relating y to t Use exact expressions to fill in the missing parts of the formula Do not use approximations y 0 b How many bacteria are there 13 days after the beginning of the study Do not round any intermediate computations and round your answer to the nearest whole number bacteria X In S