)

An airplane needs to travel 400 km. Determine a function for the speed of

the airplane, with respect to time.

b)

An ice cream cone is left sitting in the hot sun. Sarah notices that the ice

cream melts and loses half of its volume every 5 minutes. If the starting

volume was 125 mL, determine a function for the volume, with respect to

the amount of time left out in the sun.

c) Scott wants to calculate the distance from his house to each of his friends' houses. If he

drives at 50 km/h, find a function for the distance, with respect to the number of hours

it takes to trave