23. Let V, = {x € R| -

Algebra & Trigonometry with Analytic Geometry
13th Edition
ISBN:9781133382119
Author:Swokowski
Publisher:Swokowski
Chapter3: Functions And Graphs
Section3.5: Graphs Of Functions
Problem 56E
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∗ For exercises with blue numbers or letters, solutions are given in Appendix B. The symbol H indicates that only a hint or a partial
solution is given. The symbol ✶ signals that an exercise is more challenging than usual.

23. Let V, = {x € R| –s} =[-}, }] for all pos-
itive integers i.
a. U V; =?
b. N V; =?
i=1
i=l
c. Are V1, V2, V3, ... mutually disjoint? Explain.
d. Ü V; =?
e. n V. =?
i=1
i=1
f. UV; =?
g. N V; =?
i=1
i=1
o bio
Transcribed Image Text:23. Let V, = {x € R| –s} =[-}, }] for all pos- itive integers i. a. U V; =? b. N V; =? i=1 i=l c. Are V1, V2, V3, ... mutually disjoint? Explain. d. Ü V; =? e. n V. =? i=1 i=1 f. UV; =? g. N V; =? i=1 i=1 o bio
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