Type oo for oo and oo for co Also type U for U Where is f 0 at z Where is f undefined at I 2 What are the critical values of f at Where does f have relative minimums What are these relative minimum values the relative minimum is occurs at z occurs at z which Where does f have relative maximums What are these relative maximum values the relative maximum is which 2 4X Where does f have absolute minimums What are these absolute minimum values the absolute minimum is at z at I Where does f have absolute maximums What are these absolute maximums values the absolute maximum is Where is f 0 VI in the interval which occurs Where is f 0 Va in the interval which occurs