Construction For Exercises 812, first make a sketch of what you are trying to construct and label it. Then use the segments below, with lengths r, s, and t.

L23 - 4 How can we ﬁnd those extreme values Def. Aufcin f has a local (relative) maximum at c if there is an open interval I containing c such that for all x in I Def. Au fcin f has a local (relative) minimum at c if there is an open interval I containing c such that for all x in I ex. Find all local and absolute extrema of the function f(x)skhdb l. abc e d