Determine the area of a triangle with m

If f(x)= sqrt4x+9+2, which inequality can be used to find the domain of f(x)?

Jim had 15 minutes to do 5 laps around his school what would his time be

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 .