Henry bought 4 pies, which he plans to share with a group of his friends. if there is exactly enough to give each person of the group one-sixth of the pie, how many people are in the group

The average daily maximum temperature for laura’s hometown can be modeled by the function f(x)=4.5sin(πx/6)+11.8 , where f(x) is the temperature in °c and x is the month. x = 0 corresponds to january. what is the average daily maximum temperature in may? round to the nearest tenth of a degree if needed. use 3.14 for π .