Relasi dan Fungsi

Relasi dan Fungsi

8th Grade

45 Qs

quiz-placeholder

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Relasi dan Fungsi

Relasi dan Fungsi

Assessment

Quiz

Mathematics

8th Grade

Easy

Created by

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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