MY NOTES ASK YOUR TEACHER PRACTICE ANOTHER A few weeks into an epidemic, the number of reported cases could be approximated by A(t) = 1,801(1.04) (0 t 30) t days after April 1 of that year. (a) What, approximately, was the instantaneous rate of change of A(t) on April 29 (t = 28)? (Round your answer to the nearest whole number.) Interpret the result. The number of reported cases was growing at a rate of about X new cases per day on April 29.