Let X = {1,2,3} and Y = {2,3,4}. Let a function f from X to Y defined by {(1,3), (3,2), (2,3)}. a) Show that fis a function from X to Y b) Find f-'and list its elements c) Is f-la function? Why, or why not?

Advanced Engineering Mathematics
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ISBN:9780470458365
Author:Erwin Kreyszig
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Let X = {1,2,3} and Y = {2,3,4}. Let a function f from X to Y defined by {(1,3), (3,2), (2,3)}.
a) Show that fis a function from X to Y
b) Find fand list its elements
c) Is f-la function? Why, or why not?
Transcribed Image Text:Let X = {1,2,3} and Y = {2,3,4}. Let a function f from X to Y defined by {(1,3), (3,2), (2,3)}. a) Show that fis a function from X to Y b) Find fand list its elements c) Is f-la function? Why, or why not?
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