smallest values of the function f(x, y) over the given boundary critical points and determine the largest and la Exercises 23 tmrough 28, find all interior and closed, bounded region R. 23. f(x, y) = xy – x - 3y on the triangular region R with vertices (0, 0), (5, 0), (5, 5).

Algebra & Trigonometry with Analytic Geometry
13th Edition
ISBN:9781133382119
Author:Swokowski
Publisher:Swokowski
Chapter9: Systems Of Equations And Inequalities
Section: Chapter Questions
Problem 12T
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How do you solve problem 23? Please show the steps clearly. 

smallest values of the function f(x, y) over the given
boundary critical points and determine the largest and
In Exercises 23 through 28, find all interior and
31
closed, bounded region R.
23. f(x, y) = xy – x - 3y on the triangular region R
with vertices (0, 0), (5, 0), (5, 5).
%3D
3
24. f(x, y) = 4xy – 8x – 4y + 5 on the triangular
region R with vertices (0, 0), (2, 0), (0, 3).
25. f(x, y) = 2x + y´ + xy´ – 2 on the square region
R with vertices (5, 5), (-5, 5), (5, –5), (-5, -5).
26. f(x, y) = x + 3y -
region R with vertices (0, 0), (3, 0), (3, –3),
(0, -3).
4x + 6y – 3 on the square
27. f(x, y) = x* + 2y° on the circular region R bounded
by x + y = 1.
28. f(x, y) = xy² on the quarter circular region R
bounded by x + y = 12 with x 0, y 2 0.
to
Transcribed Image Text:smallest values of the function f(x, y) over the given boundary critical points and determine the largest and In Exercises 23 through 28, find all interior and 31 closed, bounded region R. 23. f(x, y) = xy – x - 3y on the triangular region R with vertices (0, 0), (5, 0), (5, 5). %3D 3 24. f(x, y) = 4xy – 8x – 4y + 5 on the triangular region R with vertices (0, 0), (2, 0), (0, 3). 25. f(x, y) = 2x + y´ + xy´ – 2 on the square region R with vertices (5, 5), (-5, 5), (5, –5), (-5, -5). 26. f(x, y) = x + 3y - region R with vertices (0, 0), (3, 0), (3, –3), (0, -3). 4x + 6y – 3 on the square 27. f(x, y) = x* + 2y° on the circular region R bounded by x + y = 1. 28. f(x, y) = xy² on the quarter circular region R bounded by x + y = 12 with x 0, y 2 0. to
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