The elevation of a valley above sea level (in feet) is modeled by the function f(x, y) = -2000 +0.004(x – 1000)² + 0.001(y + 1000)²
The elevation of a valley above sea level (in feet) is modeled by the function f(x, y) = -2000 +0.004(x – 1000)² + 0.001(y + 1000)²
Algebra: Structure And Method, Book 1
(REV)00th Edition
ISBN:9780395977224
Author:Richard G. Brown, Mary P. Dolciani, Robert H. Sorgenfrey, William L. Cole
Publisher:Richard G. Brown, Mary P. Dolciani, Robert H. Sorgenfrey, William L. Cole
Chapter8: Introduction To Functions
Section8.8: Linear And Quadratic Functions
Problem 4ST
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If you start walking south-west from the bottom of the valley, will your elevation increase or decrease? In which direction you should walk to gain elevation as fast as possible?
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