Let X CR be limited inferiorly and Y = R be limited superiorly. Then a = inf(x)' is a point adherent to X and b = sup(Y) is a point adherent to Y.

Calculus For The Life Sciences
2nd Edition
ISBN:9780321964038
Author:GREENWELL, Raymond N., RITCHEY, Nathan P., Lial, Margaret L.
Publisher:GREENWELL, Raymond N., RITCHEY, Nathan P., Lial, Margaret L.
Chapter9: Multivariable Calculus
Section9.3: Maxima And Minima
Problem 27E
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Let X CR be limited inferiorly and Y = R be limited superiorly. Then a = inf(x)' is a point
adherent to X and b = sup(Y) is a point adherent to Y.
Transcribed Image Text:Let X CR be limited inferiorly and Y = R be limited superiorly. Then a = inf(x)' is a point adherent to X and b = sup(Y) is a point adherent to Y.
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