Cancer Mortality The figure shows deaths of males due to different types of cancer....

Cancer Mortality The figure shows deaths of males due to different types of cancer. (Figure courtesy of the American Cancer Society, Inc.)

a. Use the graph to estimate the rate of change in deaths of males due to lung cancer in 1940, 1960, and 1980.

b. Sketch a rate-of-change graph for deaths of males due to lung cancer.

c. Label the units on both axes of the derivative graph.