Let A= {1,2,3,4}, B={5,6,7} C={8,9,10,11} and f: A-B g: B C h: functions are 1-1 a) Form the function f, g, h Apply the definitions showed in class and find the following b) gof c) fog

Database System Concepts
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Author:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan
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Let A= {1,2,3,4}, B={5,6,7} C={8,9,10,11} and f: AB g: B C h: B-→C, all
functions are 1-1
a) Form the function f, g, h
Apply the definitions showed in class and find the following compositions:
b) gof
c) fog
d) (hog)of
Print all results.
Transcribed Image Text:Let A= {1,2,3,4}, B={5,6,7} C={8,9,10,11} and f: AB g: B C h: B-→C, all functions are 1-1 a) Form the function f, g, h Apply the definitions showed in class and find the following compositions: b) gof c) fog d) (hog)of Print all results.
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