Page 19 - E-Modul PBA Asisi Putriani

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Info: Fungsi dan bukan Fungsi

Contoh 1.4

Diketahui himpunan = {1,2,3,4} dan himpunan = { , , }. Perhatikan Tabel 1.2

berikut ini merupakan contoh Fungsi dan bukan Fungsi.

Tabel 1.2 Fungsi dan bukan Fungsi

Fungsi Bukan Fungsi
1. {(1, ), (2, ), (3, ), (4, )} 1. {(2, ), (2, ), (3, )}

2. {(1, ), (2, ), (3, ), (4, )} 2. {(1, ), (2, ), (2, )}

3. {(1, ), (2, ), (3, ), (4, )} 3. {(2, ), (3, ), (3, ), (4, )}
4. {(1, ), (2, ), (3, ), (4, )} 4. {(3, ), (3, ), (3, )}

5. {(1, ), (2, ), (3, ), (4, )} 5. {(3, ), (4, ), (4, )}

6. {(1, ), (2, ), (3, ), (4, )} 6. {(1, ), (2, ), (4, )}