Relasi dan Fungsi
Quiz
•
Mathematics
•
8th Grade
•
Easy
Smada 2024
Used 1+ times
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45 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
2 mins • 4 pts
Diketahui rumus fungsi f(x) = ax + b, f(1) = 4, dan f(3) = 14. Hitung nilai f(-2) = ....
( - 12 )
( - 11 )
( -10 )
( - 9 )
2.
MULTIPLE CHOICE QUESTION
2 mins • 4 pts
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)
3.
MULTIPLE CHOICE QUESTION
2 mins • 4 pts
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
4.
MULTIPLE CHOICE QUESTION
2 mins • 4 pts
P = { a,b,c,d } dan Q = {2,3,5 }. Banyak pemetaan dari himpunan P ke himpunan Q adalah ... .
27
48
64
81
5.
MULTIPLE CHOICE QUESTION
2 mins • 4 pts
Suatu fungsi ditentukan dengan rumus f(x) = -x -1. Nilai dari f(-3) adalah ... .
-4
-2
2
4
6.
MULTIPLE CHOICE QUESTION
2 mins • 4 pts
Fungsi f dirumuskan f(x) = 4x + 9, f(-1) = a dan f(b) = -3. Nilai dari a+b adalah ... .
2
5
8
10
7.
MULTIPLE CHOICE QUESTION
2 mins • 4 pts
Ditentukan rumus fungsi f(x) = 5x - 9. Nilai dari f(2a + 1) adalah ... .
7a - 8
7a - 4
10a - 8
10a - 4
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