. Let R be the set of real numbers and let D be the set of functions d : R x R → R that satisfy the following properties for all r, y, z € R: • d(x, y) > 0 • d(x, y) = 0 if and only if r = y • d(r, y) = d(y, x) %3D d(x, z) < d(x, y) + d(y, z) Which of the following is not a function in D?
. Let R be the set of real numbers and let D be the set of functions d : R x R → R that satisfy the following properties for all r, y, z € R: • d(x, y) > 0 • d(x, y) = 0 if and only if r = y • d(r, y) = d(y, x) %3D d(x, z) < d(x, y) + d(y, z) Which of the following is not a function in D?
Algebra & Trigonometry with Analytic Geometry
13th Edition
ISBN:9781133382119
Author:Swokowski
Publisher:Swokowski
Chapter10: Sequences, Series, And Probability
Section10.8: Probability
Problem 18E
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