in January the lowest outside temperature was -7 degrees in April the lowest outside temperature was 40 degrees how much did the temperature increase from January to February what is the difference in the temperature from January to April

Michael gose to a theme park and rides two different roller coasters that both begin on a raised platform his height while on the first roller coaster measured in feet from the platform height can be modeled by the following graph where t is the number of seconds since the ride began