
Fungsi Invers dan Komposisi
Authored by Sri Meiasih
Mathematics
11th Grade
Used 2+ times

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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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