Please answer A-C

The number of times a new pop song has been downloaded tweaks after its initial release is git/en by 3,700,000 a 1+400e '05\" ' . a) After how many weeks is the rate of change of the number of doWnloads maximized? b) What is the rate 01' change of the number of downloads at the time found in part (a)? c) How many times has the song been downloaded at the time found in part (a)? *6) = W a) The rate of change of the number of downloads is maximized after B weeks.- (Do not round until the nal answer. Then round to two decimal places as needed.)