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LATIHAN SOAL INVERS KOMPOSISI FUNGSI

Authored by Nisa Nisa

Mathematics

11th Grade

Used 42+ times

LATIHAN SOAL INVERS KOMPOSISI FUNGSI
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15 questions

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1.

MULTIPLE CHOICE QUESTION

3 mins • 1 pt

Jika g(x) = x + 1 dan (f ◦ g)(x) = x2 + 3x + 1, maka f(x) = …

x2 + 5x + 5

x2 + x – 1

x2 + 4x + 3

x2 + 6x + 1

x2 + 3x – 1

2.

MULTIPLE CHOICE QUESTION

3 mins • 1 pt

Diketahui f(x) = 2x – 3 dan (f ◦ g)(x) = 2x + 1, maka g(x) = …

2x + 4

2x + 3

x + 2

x + 1

x + 4

3.

MULTIPLE CHOICE QUESTION

3 mins • 1 pt

Diketahui fungsi f dan g yang dirumuskan oleh f(x) = 2x – 4 dan (g o f)(x) = 4x2 – 24x + 32 . Rumus fungsi g adalah g(x) = ...

x2 – 4x + 8

x2 – 4x – 8

x2 + 4x + 8

x2 + 4x

x2 – 4x

4.

MULTIPLE CHOICE QUESTION

3 mins • 1 pt

Jika diketahui f(x) = 3x + b , g(x) = 5x + 16 dan (f o g)(x) = (g o f)(x), maka b = …

4

8

12

16

32

5.

MULTIPLE CHOICE QUESTION

5 mins • 1 pt

Jika f(x) = x2 – x + 2 dan g(x) = ax + b, dengan a, b bukan nol , serta (f o g)(x) = 9x2 – 3x + 2, maka a + b = ...

-2

0

2

4

6

6.

MULTIPLE CHOICE QUESTION

3 mins • 1 pt

Diketahui f(x) = 1/3 x + 5, maka invers dari f adalah f-1(x) = ...

3x + 1

3x – 1

3x + 5

3x – 5

3x – 15

7.

MULTIPLE CHOICE QUESTION

15 mins • 1 pt

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