The decimal -2.97 is the solution to which subtraction problem? -6.1 - 3.13 -6.1 - (-31.3) -0.61 - (-3.13) -6.1 - (-3.13)

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 .