A closed box, whose length is twice its width, is to have a surface area of 192 sq. inches. Find the max.

Algebra & Trigonometry with Analytic Geometry
13th Edition
ISBN:9781133382119
Author:Swokowski
Publisher:Swokowski
Chapter7: Analytic Trigonometry
Section7.6: The Inverse Trigonometric Functions
Problem 91E
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6. Determine the critical points of the curve y = x3 – 5x2 - 36 x + 25.
7. For the curve y = x2 + x, at what point does the normal line at (0,0) intersect the tangent line at ( 1,2 ).
8. A closed box, whose length is twice its width, is to have a surface area of 192 sq. inches. Find the max.
Transcribed Image Text:6. Determine the critical points of the curve y = x3 – 5x2 - 36 x + 25. 7. For the curve y = x2 + x, at what point does the normal line at (0,0) intersect the tangent line at ( 1,2 ). 8. A closed box, whose length is twice its width, is to have a surface area of 192 sq. inches. Find the max.
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