assuming that the sample mean is a point estimate of the population mean, determine whether the first criterion for shipping(average life span) has been met

Which of the choices shown could be used to prove that aacp=abcp ?

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 .

For a function f(x), a) if f(7) = 22 then f^-1(22) = b) f^-1(f(c)) =