Exercises

  1. Draw a graph of the function f (x) = 2x + x2 between -2 and 3.
  2. Devore and Peck [8, 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 "2D age and "2D cpk in the file "2D metabolism.lsp. Plot the data and describe any relationship you observe between age and CPK concentration.