Karlene is using a photocopier to enlarge a graph that is 3 inches wide and 5 inches long. If her boss wants the length of the enlargement to be 7 1/2 inches, how wide will the graph be

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