Use the following formulas to answer the questions below: t(m, r) = r + o.6(m — r) 220 - x where r = resting heart rate: m = maximum healt rate, and x = age recall our discussion of heart rate and composition of åmctions from the end of the section. find the training heart rate fianction: t (m) for a person with a resting healt rate of 72 beats per minute: then find the following. a. find the maximum heart rate function: m(x) for a person x years of age.