Are the following statements true for all functions f and for all subsets A and B of the domain of f? () {f(x): E A}- {f(x): z E B} is a subset of {f(x): x € A - B} (ii) {f(x):x E A- B} is a subset of {f(x) : a E A} - {f(x):z € B} O Yes for (i). Yes for (ii). 47 OYes for (i). No for (ii). O No for (i). Yes for (ii). O No for (i). No for (ii).

Advanced Engineering Mathematics
10th Edition
ISBN:9780470458365
Author:Erwin Kreyszig
Publisher:Erwin Kreyszig
Chapter2: Second-order Linear Odes
Section: Chapter Questions
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Are the following statements true for all functions f and for all subsets A and B of the domain of f?
O {f(x): r EA} - {f(x) : x E B} is a subset of {f(x): x E A - B}
(ii) {f(x) : x E A - B} is a subset of {f(x) : a E A} – {f(x): a E B}
O Yes for (i). Yes for (ii).
Yes for (i). No for (ii).
O No for (i). Yes for (ii).
O No for (i). No for (ii).
Transcribed Image Text:Are the following statements true for all functions f and for all subsets A and B of the domain of f? O {f(x): r EA} - {f(x) : x E B} is a subset of {f(x): x E A - B} (ii) {f(x) : x E A - B} is a subset of {f(x) : a E A} – {f(x): a E B} O Yes for (i). Yes for (ii). Yes for (i). No for (ii). O No for (i). Yes for (ii). O No for (i). No for (ii).
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