12. [0/1 Points] DETAILS PREVIOUS ANSWERS OSPRECALC1 4.7.423. MY NOTES ASK YOUR TEACHER PRACTICE ANOTHER 200 The equation N(t) = 1 + 19e-0.6t models the number of people / in a town who have heard a rumor after & days. To. the.nearest whole number, how many people will have heard the rumor after 3 days? EX people Enter a number. given model is a logistic population function with input of time in days. What input value corresponds to the population of people who have heard the rumor after 3 days? Additional Materials eBook Example Video Submit Answer 13. [-/1 Points] DETAILS OSPRECALC1 4.7.400. MY NOTES ASK YOUR TEACHER PRACTICE ANOTHER A doctor prescribes 225 milligrams of a therapeutic drug that decays by about 20% each hour. To the nearest hour, what is the half-life of the drug? hr Additional Materials BeBook19. [-/1 Points] DETAILS OSPRECALC1 4.8.443. MY NOTES ASK YOUR TEACHER PRACTICE ANOTHER 52 The population P of a koi pond over x months is modeled by the function P(x) = - 1 + 18e-0.28x . How many koi will the pond have after one and a half years? (Round your answer down to the nearest whole fish.) koi Additional Materials BeBook 20. [-/1 Points] DETAILS OSPRECALC1 4.8.444. MY NOTES ASK YOUR TEACHER PRACTICE ANOTHER 52 The population P of a koi pond over x months is modeled by the function P(x) = - 1 + 12e-0.28x How many months will it take before there are 25 koi in the pond? (Round your answer to one decimal place.) months Additional Materials eBook