November 2018 1 55 Report
Diantara relasi dalam himpunan pasangan beturutan berikut,tentukan manakah yang merupakan suatu fungsi dari himpunan A = {a,b,c,d} ke himpunan B = {1,2,3,4}. Tentukan pula daerah hasil masing masing fungsi.
a. {(a,1),(b,2),(c,1),(d,1)}
b. {(a,2),(b,4),(c,4)}
c. {(a,1),(a,2),(a,3),(a,4)}
d. {(a,1),(b,4),(c,1),(d,4)}
e. {(d,1),(d,2),(b,2),(c,3),(d,4)}

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