1. A farmer wants to fence off a rectangular field and use a well as one side. He has 500 meters of fencing. What are the dimensions of the field that has the largest area?

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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1. A farmer wants to fence off a rectangular field and use a well as one side. He has
500 meters of fencing. What are the dimensions of the field that has the largest
area?

2.Two cars, one going due West at the rate of 100 km/hr and the other going
North at the rate of 70 km/hr, are traveling toward the intersection of the two
roads. At what rate are the cars approaching each other at the instant when the
first car is0.3 km and the second car is 0.2 km from the intersection?

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