quiziz fungsi invers / komposisi

Quiz
•
Mathematics
•
University
•
Hard
senandika karbieze
Used 2+ times
FREE Resource
15 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
2 mins • 7 pts
Diketahui f(x) = 2x+1 dan g(x) = x^2. Nilai dari (f∘g)(2) adalah...
9
17
10
6
13
2.
MULTIPLE CHOICE QUESTION
2 mins • 7 pts
jika f(x) = x-3/2, maka invers dari fungsi tersebut adalah...
f-¹(x) = 2x + 3
f-¹(x) = x+3/2
f-¹(x) = x/2 - 3
f-¹(x) = 2x - 3
f-¹(x) = x/2 + 3
3.
MULTIPLE CHOICE QUESTION
2 mins • 7 pts
Diketahui fungsi f(x) = √x-1 dan g(x) = x²+1. manakah pertanyaan berikut yang benar?
(g∘f)(x) = x
(f∘g)(x) = √x²
(g∘f)(x) = x hanya jika x = 2
(f∘g)(x) = √x²+1−1
1 dan 3
2 dan 4
1, 2, dan 3
2, 3, dan 4
semua benar
4.
MULTIPLE CHOICE QUESTION
2 mins • 7 pts
Syarat suatu fungsi f(x) memiliki fungsi invers adalah...
f(x) harus kuadrat
f(x) harus kontinu
f(x) harus satu ke satu dan pada (bijektif)
f(x) harus naik turun
f(x) harus genap
5.
MULTIPLE SELECT QUESTION
2 mins • 7 pts
Jika f(x) = x + 2 dan g(x) = x², maka :
(f∘g)(x) = x² + 2
(g∘f)(x) = (x+2)²
(f∘g)(2) = 6
(g∘f)(2) = 16
6.
MULTIPLE SELECT QUESTION
45 sec • 1 pt
Manakah fungsi-fungsi berikut yang memiliki invers?
f(x) = x³ + 2
f(x) = |x|
f(x) = 2x + 1
f(x) = sin x
f(x) = √x dengan x ≥ 0
7.
MULTIPLE CHOICE QUESTION
2 mins • 7 pts
Jika f(g(x)) = x dan g(f(x)) = x, maka hubungan antara f dan g adalah...
f(x) = g(x)
f adalah invers dari g
f dan g keduanya fungsi konstan
Tidak saling berkebalikan
f ∘ g = fungsi identitas tapi g ∘ f tidak
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