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Fungsi Invers dan Komposisi

Authored by Sri Meiasih

Mathematics

11th Grade

Used 2+ times

Fungsi Invers dan Komposisi
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10 questions

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1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

1. Tentukan fungsi invers dari f(x) = 2x + 3.

f^(-1)(x) = 2(x + 3)

f^(-1)(x) = (x - 3) / 2

f^(-1)(x) = x + 3

f^(-1)(x) = 2x - 3

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

2. Hitung f(g(x)) jika f(x) = x^2 dan g(x) = x + 1.

(x + 1)^2 = 2x + 1

(x + 1)^2 = x^2 + 1

(x + 1)^2 = x^2 + 2x + 1

(x + 1)^3 = x^3 + 3x^2 + 3x + 1

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

3. Apa sifat dari fungsi f(x) = 3x - 5?

Fungsi linear yang monoton meningkat.

Fungsi konstan yang tidak berubah.

Fungsi eksponensial yang tidak terdefinisi.

Fungsi kuadrat yang monoton menurun.

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

4. Selesaikan persamaan f(x) = 0 untuk f(x) = x^2 - 4.

x = 2, x = -2

x = -3

x = 3

x = 0

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

5. Tentukan fungsi invers dari f(x) = (x - 1)/(x + 2).

f^(-1)(x) = (2x + 1)/(1 - x)

f^(-1)(x) = (1 - x)/(2x + 1)

f^(-1)(x) = (x - 2)/(x + 1)

f^(-1)(x) = (x + 1)/(x - 2)

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

6. Hitung g(f(x)) jika f(x) = 2x dan g(x) = x/2.

x^2

x

4x

2x

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

7. Apakah fungsi f(x) = x^3 - 3x memiliki invers? Jelaskan.

Fungsi ini memiliki invers yang unik.

Tidak, fungsi f(x) = x^3 - 3x tidak memiliki invers.

Ya, fungsi f(x) = x^3 - 3x memiliki invers.

Fungsi f(x) = x^3 - 3x memiliki invers jika x > 0.

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