There are ​$320 available to fence in a rectangular garden. The fencing for the side of the garden facing the road costs ​$15 per​ foot, and the fencing for the other three sides costs ​$5 per foot. The picture on the right depicts this situation. Consider the problem of finding the dimensions of the largest possible garden.   ​(a) Determine the objective and constraint equations. ​(b) Express the quantity to be maximized as a function of x. ​(c) Find the optimal values of x and y.

Calculus: Early Transcendentals
8th Edition
ISBN:9781285741550
Author:James Stewart
Publisher:James Stewart
Chapter1: Functions And Models
Section: Chapter Questions
Problem 1RCC: (a) What is a function? What are its domain and range? (b) What is the graph of a function? (c) How...
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There are
​$320
available to fence in a rectangular garden. The fencing for the side of the garden facing the road costs
​$15
per​ foot, and the fencing for the other three sides costs
​$5
per foot. The picture on the right depicts this situation. Consider the problem of finding the dimensions of the largest possible garden.
 
​(a) Determine the objective and constraint equations.
​(b) Express the quantity to be maximized as a function of x.
​(c) Find the optimal values of x and y.
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