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A relation R is defined by {(21​, 8), (1, 4), (2, 2), (4, 1), (8,21​)}. a. List the set of the first members of the pairs and the set of the second members of the pairs. Describe in words a possible relation between the frst set and the second set.

Pertanyaan

A relation is defined by

left curly bracket left parenthesis 1 half comma space 8 right parenthesis comma space left parenthesis 1 comma space 4 right parenthesis comma space left parenthesis 2 comma space 2 right parenthesis comma space left parenthesis 4 comma space 1 right parenthesis comma space left parenthesis 8 comma 1 half right parenthesis right curly bracket.

a. List the set of the first members of the pairs and the set of the second members of the pairs.

Describe in words a possible relation between the frst set and the second set.

H. Firmansyah

Master Teacher

Mahasiswa/Alumni Universitas Gadjah Mada

Jawaban terverifikasi

Pembahasan

Diketahui pasangan berurutan left curly bracket left parenthesis 1 half comma space 8 right parenthesis comma space left parenthesis 1 comma space 4 right parenthesis comma space left parenthesis 2 comma space 2 right parenthesis comma space left parenthesis 4 comma space 1 right parenthesis comma space left parenthesis 8 comma 1 half right parenthesis right curly bracket.

Himpunan anggota pertama = left curly bracket 1 half comma space 1 comma space 2 comma space 4 comma space 8 right curly bracket.

Himpunan anggota kedua = left curly bracket 8 comma space 4 comma space 2 comma space 1 comma space 1 half right curly bracket.

Relasi yang mungkin dari kedua himpunan di atas adalah "pasangan angka yang jika dikalikan hasilnya adalah 4"

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Diketahui fungsi f:A→R dengan A={2,4,6}. Jika f:x→6−2x. Tentukan: b. Himpunan pasangan terurut,

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