A cell phone manufacturer wishes to make a rectangular phone with fixed total surface area of 12, 000 mm2 that will have maximal screen area. The screen is surrounded by bezels on all sides with sizes of dh mm on the height and dw mm on the the width. (So, for example, the width of the screen would be the width of the phone minus 2 dw mm.) The following figure shows an illustration with adjustable values for dw and dh. The screen area varies as the the point P (w,h) is moved along the constraint.
A cell phone manufacturer wishes to make a rectangular phone with fixed total surface area of 12, 000 mm2 that will have maximal screen area. The screen is surrounded by bezels on all sides with sizes of dh mm on the height and dw mm on the the width. (So, for example, the width of the screen would be the width of the phone minus 2 dw mm.) The following figure shows an illustration with adjustable values for dw and dh. The screen area varies as the the point P (w,h) is moved along the constraint.
Elementary Geometry for College Students
6th Edition
ISBN:9781285195698
Author:Daniel C. Alexander, Geralyn M. Koeberlein
Publisher:Daniel C. Alexander, Geralyn M. Koeberlein
Chapter8: Areas Of Polygons And Circles
Section8.4: Cicumference And Area Of A Cicle
Problem 13E
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