\fExercise 5.5.9 For each of the following, sketch a potential graph of a continuous function on the closed interval [0,4] with the given properties. (a) Absolute minimum at 0, absolute maximum at 2, relative minimum at 3. (b) Absolute maximum at I, absolute minimum at 2, relative maximum at 3. {c} Absolute minimum at 4, absolute maximum at 1, relative minimum at 2, relative maxima at I and 3