8) A decade from now, you reach your early twenties, decide you have an unignorable passion for milk, and go off into the country to start a dairy farm. The cows will be housed in a large rectangular pen divided in half into two smaller pens by a piece of fencing (to keep rival cows separated), as shown below. You have a total of 100 feet of fencing to use for the large rectangular pen and its dividing fence. Let the dimensions of each of the two smaller pens be l and w, as shown. a) Write a function A(w) that gives the total area A of the pens in terms of w. b) Without using your graphing calculator or Desmos, determine the exact dimensions l and w that maximize the total area of the pens for the cows. Show your work.

Algebra and Trigonometry (6th Edition)
6th Edition
ISBN:9780134463216
Author:Robert F. Blitzer
Publisher:Robert F. Blitzer
ChapterP: Prerequisites: Fundamental Concepts Of Algebra
Section: Chapter Questions
Problem 1MCCP: In Exercises 1-25, simplify the given expression or perform the indicated operation (and simplify,...
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8) A decade from now, you reach your early twenties, decide you have an unignorable passion for
milk, and go off into the country to start a dairy farm. The cows will be housed in a large rectangular
pen divided in half into two smaller pens by a piece of fencing (to keep rival cows separated), as
shown below. You have a total of 100 feet of fencing to use for the large rectangular pen and its
dividing fence. Let the dimensions of each of the two smaller pens be l and w, as shown.
a) Write a function A(w) that gives the total area A of the pens in terms of w.
b) Without using your graphing calculator or Desmos, determine the exact dimensions l and w
that maximize the total area of the pens for the cows. Show your work.
Transcribed Image Text:8) A decade from now, you reach your early twenties, decide you have an unignorable passion for milk, and go off into the country to start a dairy farm. The cows will be housed in a large rectangular pen divided in half into two smaller pens by a piece of fencing (to keep rival cows separated), as shown below. You have a total of 100 feet of fencing to use for the large rectangular pen and its dividing fence. Let the dimensions of each of the two smaller pens be l and w, as shown. a) Write a function A(w) that gives the total area A of the pens in terms of w. b) Without using your graphing calculator or Desmos, determine the exact dimensions l and w that maximize the total area of the pens for the cows. Show your work.
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