Exercises

1. Draw a graph of the function between -2 and 3.
2. Devore and Peck [11, Exercise 4.2,] give the age and CPK concentration, a measure of metabolic activity, recorded for 18 cross country skiers during a relay race. These data are in the variables age and cpk in the file metabolism.lsp. Plot the data and describe any relationship you observe between age and CPK concentration.