FUNGSI-2

Quiz
•
Mathematics
•
11th Grade
•
Medium
Luftia Hanik
Used 3+ times
FREE Resource
10 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
1 min • 2 pts
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
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....
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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