Determine a rational number that is located between -2 1/4 and -2.8 justify that the point is located between these two numbers and then graph the point on a number line relative to -2 1/4 and -2.8

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