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Quiz_Dio Relasi Fungsi Pemetaan_kelas 8 SMP

Authored by Unique Pangestu

Mathematics

3rd Grade

Used 1+ times

Quiz_Dio Relasi Fungsi Pemetaan_kelas 8 SMP
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10 questions

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1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Jodohkan fungsi berikut.

A.  {(1,1), (2,4), (3,9), (4,16), (5,25)}

B.  {(1,3), (2,6), (3,9), (4,12), (5,15)}

C.  {(1,2), (2,4), (3,6), (4,8), (5,10)}

D.  {(1,1), (2,8), (3,27), (4,64), (5,125)}

I.  y = 2x

ii.  y = x²

iii.  y = 3x

iv.  y = x³

{(A, iii), (B, ii), (C, i),

(D, iv)}

{(A, ii), (B, i), (C, iii),

(D, iv)}

{(A, ii), (B, iii), (C, iv),

(D, i)}

{(A, ii), (B, iii), (C, i),

(D, iv)}

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Nomor mana sajakah yang termasuk fungsi?

1.  {(a,1), (b,2), (c,3)}

2.  {(a,1), (a,2), (b,3)}

3.  {(a,1), (b,2), (c,1)}

4.  {(1,1), (2,2), (3,3)}

1,2, 3

1,3, 4

1, 2, 4

1 dan 4

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Diketahui fungsi f : x → 3x - 12 pada himpunan bilangan bulat.

Tentukan:

Bayangan atau pemetaan dari f(-6)

-30

30

6

-6

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

f : x → x³, menghasilkan range = {–27, –8, –1, 0, 1, 8, 27}
 Tentukan domainnya.

{(-3, -2, -1, 0, 1, 2)}

{(3, 2, 1, 0, -1, -2, -3)}

{(-3, -2, -1, 0, 1, 2, 3)}

{(-9, -4, -1, 0, 1, 2, 3)}

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Suatu pemetaan F : x → 3x + 5
  Buatlah daftar pemetaan atau bayangan dari daerah asal A = {0, 1, 2, 3, 4, 5}.

{(5,8, 11, 14, 16, 20)}

{(5,8, 11, 14, 17, 21)}

{(5,8, 11, 14, 17, 20)}

{(5,8, 12, 15, 18, 21)}

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Fungsi f, pada himpunan bilangan real, ditentukan oleh rumus: f(x) = 3x – 21.
 a. Berapakah f(–2)
 b. Tentukan 'Pembuat Nol' fungsi

a. f(-2) = -27

b. x = -7

a. f(-2) = 27

b. x = 7

a. f(-2) = -15

b. x = 7

a. f(-2) = -27

b. x = 7

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Sebuah fungsi ditentukan dengan rumus umum f(x)=mx+n.

Jika diketahui f(3)=7 dan f(-1)=-5, tentukan:

Nilai m dan n

m = -3, n = 2

m = 3, n= -2

m = 3, n=2

m = -3, n= -2

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