Alta dove 9 meters below the ocean’s surface. she then dove 15 meters deeper. she then rose 19 1/4 meters. what was her position in relation to the surface of the water?

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 .