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FUNGSI-2

Authored by Luftia Hanik

Mathematics

11th Grade

Used 3+ times

FUNGSI-2
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10 questions

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1.

MULTIPLE CHOICE QUESTION

1 min • 2 pts

Media Image

Dari gambar berikut, yang merupakan fungsi adalah...

i dan ii

i dan iii

i dan iv

ii dan iv

iii dan iv

Answer explanation

Dari gambar, fungsi yang terlihat adalah i (grafik garis) dan iv (grafik batang). Oleh karena itu, jawaban yang benar adalah i dan iv.

2.

MULTIPLE CHOICE QUESTION

1 min • 2 pts

Media Image

Range dari relasi berikut adalah...

1,2,4,7,11

3,8,14,17,21

1,4,3,8,17

3,8,17

2,7,11

Answer explanation

Range dari relasi tersebut adalah 3, 8, dan 17, karena urutan angka tersebut merupakan hasil dari hubungan yang diberikan.

3.

MULTIPLE CHOICE QUESTION

1 min • 2 pts

Dari diagram panah berikut, yang termasuk fungsi adalah....

Media Image
Media Image
Media Image
Media Image
Media Image

4.

MULTIPLE CHOICE QUESTION

2 mins • 2 pts

Jika diketahui: f(x) = 2x + 3 dan g(x) = 5x , maka (f + g) (x) adalah...

7x + 3

-3x + 3

2x + 8

5x + 8

7x - 3

Answer explanation

To find (f + g)(x), we add f(x) and g(x) together. f(x) = 2x + 3 and g(x) = 5x. Therefore, (f + g)(x) = (2x + 3) + (5x) = 7x + 3. Hence, the correct choice is 7x + 3.

5.

MULTIPLE CHOICE QUESTION

3 mins • 4 pts

Diketahui f(x) = 2x - 1 hitung nilai dari f(2) - f(1) adalah...

1

2

3

4

5

Answer explanation

To find f(2) - f(1), substitute x=2 and x=1 into f(x) = 2x - 1. f(2) = 2(2) - 1 = 3, f(1) = 2(1) - 1 = 1. Therefore, f(2) - f(1) = 3 - 1 = 2.

6.

MULTIPLE CHOICE QUESTION

3 mins • 4 pts

f(x) = 12 - 3x

g(x) = 2x

nilai dari f(2) . g(3) = ...

6

12

24

36

48

Answer explanation

To find f(2) . g(3), first calculate f(2) = 12 - 3(2) = 6 and g(3) = 2(3) = 6. Then multiply f(2) by g(3) to get 6 * 6 = 36.

7.

MULTIPLE CHOICE QUESTION

3 mins • 3 pts

Jika f(x)=x+5 dan g(x)=3x+8, maka (f+g)(x) adalah ...

2x+12

3x+12

4x+13

3x+8

4x+12

Answer explanation

(f+g)(x) = f(x) + g(x) = (x+5) + (3x+8) = 4x + 13. Therefore, the correct choice is 4x+13.

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