
Quiz_Dio Relasi Fungsi Pemetaan_kelas 8 SMP
Authored by Unique Pangestu
Mathematics
3rd Grade
Used 1+ times

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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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