CCSS?REGULARITY??Find?the?rate?of?change?for?each?set?of?data. ? 1.? SOLUTION:?? Use the ordered pairs (4, 24) and (6, 36). ? ? The rate of change is 6 feet/min. ANSWER:?? 6 feet/min 2.? SOLUTION:?? Use the ordered pairs (10, 32) and (15, 48). ? ? The rate of change is 3.2 cm 3 /sec. ANSWER:?? 3.2 cm 3 /sec 3.? CAMERAS The graph shows the number of digital still cameras and film cameras sold by Yellow Camera Stores in recent years. ? a. Find the average rate of change of the number of digital cameras sold from 2004 to 2009. ? b. Find the average rate of change of the number of film cameras sold from 2004 to 2009. ? c. What do the signs of each rate of change represent? SOLUTION:??