Find each of the following Ag3 CThe interval with endpoints

Find each of the following:

A.g(3)=

C.The interval (with endpoints given to the nearest 0.25) wheregis concave up:
interval =
(Give your answer as an interval or a list of intervals, e.g.,(-infinity,8]or(1,5),(7,10),or enternonefor no intervals.)

Solution

a) 0 b) g\'(4) = (1/2)*1*2 = 1 c) [1.5, 4.5]