Algebra & Trigonometry with Analytic Geometry
13th Edition
ISBN:9781133382119
Author:Swokowski
Publisher:Swokowski
Chapter3: Functions And Graphs
Section3.4: Definition Of Function
Problem 16E
Related questions
Question
isn't it that D = fxxfyy - (fxy)2 so the working function should be D = -(2x+2)2
D(0, 2) = -(2(0)+2)2 = -4
D(-2, 2) = -(2(-2)+2)2 = -4
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