The golden years senior citizen center uses a phone tree to announce when the center will be closed for poor weather. when each person receives a phone call, that person has a list of three more people to call. the function c approximates the total number of calls made after m minutes since the start of the phone tree. c(m) = 3/2 * (3 ^ (m/10) - 1) approximately how many minutes will it take for the number of calls to reach 363?