Let X be the set {1, 2, 3, 4, 5, 6}, Y the set {a, B, 7, 8}, and ƒ the map f(1) = a f(2)= a ƒ(3) = d f(4) = B ƒ(5) = ß f(6)=1 (a) What's the image f({1,2,3})? (b) What's the image ƒ({1, 2, 3, 4})?

Advanced Engineering Mathematics
10th Edition
ISBN:9780470458365
Author:Erwin Kreyszig
Publisher:Erwin Kreyszig
Chapter2: Second-order Linear Odes
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Let X be the set {1, 2, 3, 4, 5, 6}, Y the set {a, 3, 7, 8}, and ƒ the map
f(1) = a
f(2)= a
ƒ(3)
= d
f(4)=B
ƒ(5) = ß
f(6) = Y
(a) What's the image
(b) What's the image
f({1, 2, 3})?
ƒ({1, 2, 3, 4})?
Transcribed Image Text:Let X be the set {1, 2, 3, 4, 5, 6}, Y the set {a, 3, 7, 8}, and ƒ the map f(1) = a f(2)= a ƒ(3) = d f(4)=B ƒ(5) = ß f(6) = Y (a) What's the image (b) What's the image f({1, 2, 3})? ƒ({1, 2, 3, 4})?
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