In 1724, find the fifth term and the nth term of the geometric sequence whose initial term a1 and common ratio r are given.

L23 - 2 ▯ 2 Let f(x)= √ −2 ≤ x ≤ 1 . x − 1 x> 1 Find the absolute maximum and minimum values of f(x) on each of the following intervals: [−2,1] [2,5] (−2,1) (1,∞) Are there conditions for which absolute extrema must exist