You must show all appropriate algebra work in order to receive full credit for an answer: before handing in your test: on your first answer sheet only, please copy the pledge and sign. Answers should be exact and in simplest form unless otherwise indicated. Please answer question 1 on answer page 1. 1. a. (12 points) find the maximum and minimum values of the function xm. 1. b. (12 points) a dairy farmer wants to build a set of adjacent pens using 240 feet of fencing material she has on hand. One side is along a brick wall and needs no fence (see picture). Derive a function for the area, then use it to determine the dimensions that would provide the maximum area. [note that while there are only two y-sides, there are three x-sides. ] 1. c. (6 points) the number of fish in a pond is modeled by the equation x = width y = overall length tp.
