A car manufacturer advertises that its new car model goes from 0 to 80 miles per hour in 5 seconds based on a test drive. During the first 5 seconds of the test drive, was
the car's speed ever exactly 45 miles per hour?

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 .