Practice!

Sample Problem

For a Tuscan elephant, heart rate r in beats per minute and life span s in minutes are related to body mass m by the functions r(m) = 231m-0.25 and s(m) = 72m0.6. Find the product of r(m) and s(m):

Solution

231m-0.25× 72m0.6= 16,632m0.35