
Relasi Fungsi
Presentation
•
Mathematics
•
8th Grade
•
Hard
Rima Puspitasari
FREE Resource
4 Slides • 5 Questions
1
Relasi Fungsi
by Rima Puspitasari
2
Apa Itu Relasi dan Fungsi?
Relasi dalam matematika adalah aturan yang menghubungkan antara anggota satu himpunan dengan anggota himpunan lainnya.
Sedangkan fungsi adalah relasi khusus yang memetakan setiap anggota himpunan A ke tempat satu ke anggota himpunan B.
3
Contoh Bentuk Relasi
​
4
Contoh Bentuk Fungsi
​
5
Multiple Choice
Relasi dua himpunan dinyatakan dengan (2,4), (2,6), (3,9), ( 3,15), ( 5,15). Relasi yang tepat adalah ... .
Faktor dari
Setengah dari
Kurang dari
Akar dari
6
Multiple Choice
Di antara relasi berikut :
(1) {(1,2), (2,1),(3,1),(4,1) }
(2) {(1,1),(1,2), (1,3), (1,4) }
(3) {(2,4), (1,3),(4,2), (3,1)}
(4) {(1,1), (2,1), (1,2), (3,2)}
yang merupakan fungsi adalah ... .
(1) dan (2)
(1) dan (3)
(2) dan (3)
(2) dan (4)
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Multiple Choice
P = { a,b,c,d } dan Q = {2,3,5 }. Banyak pemetaan dari himpunan P ke himpunan Q adalah ... .
27
48
64
81
8
Multiple Choice
Suatu fungsi ditentukan dengan rumus f(x) = -x -1. Nilai dari f(-3) adalah ... .
-4
-2
2
4
9
Multiple Choice
Fungsi f dirumuskan f(x) = 4x + 9, f(-1) = a dan f(b) = -3. Nilai dari a+b adalah ... .
2
5
8
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Relasi Fungsi
by Rima Puspitasari
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