Diketahui f merupakan fungsi himpunan P = {1, 2, 3} ke himpunan Q = {5, 11, 21}. Jika dinyatakan secara berpasangan menjadi
f: A → B = {(1, 5), (2, 11), (3, 21)}. Rumus fungsi f adalah ….
REMIDI PTS MATEMATIKA XI-AYANI
Quiz
•
Mathematics
•
11th Grade
•
Hard
Vivi Rahmi Aziza
Used 1+ times
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25 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
2 mins • 4 pts
Diketahui f merupakan fungsi himpunan P = {1, 2, 3} ke himpunan Q = {5, 11, 21}. Jika dinyatakan secara berpasangan menjadi
f: A → B = {(1, 5), (2, 11), (3, 21)}. Rumus fungsi f adalah ….
f(x) = 2x2 + 1
f(x) = 3x2 + 2
f(x) = x2 + 3
f(x) = 2x2 + 3
f(x) = 2x2 – 3
2.
MULTIPLE CHOICE QUESTION
1 min • 4 pts
Diagram panah pada gambar di bawah merupakan pemetaan maka rangenya adalah. . .
{a, b, c}
{d, e}
{a, b, c, d, e}
{1, 2, 3, 4}
{(1,a), (2, a), (3, b), (4,c)}
3.
MULTIPLE CHOICE QUESTION
1 min • 4 pts
Relasi pada diagram di bawah ini yang bukan fungsi adalah ….
i, ii, dan iii
i dan iii
ii dan iv
iv saja
i, ii, iii dan iv
4.
MULTIPLE CHOICE QUESTION
1 min • 4 pts
Jika f(x) = 3x + 4 , maka f(5) = …..
7
10
13
15
19
5.
MULTIPLE CHOICE QUESTION
2 mins • 4 pts
Jika g(x) = 2x2 – x, maka g(x + 1) = ….
2x2 + 3x + 3
2x2 – 4x + 2
2x2 – 5x + 2
2x2 – 4x + 1
2x2 + 3x + 1
6.
MULTIPLE CHOICE QUESTION
2 mins • 4 pts
Daerah hasil fungsi f(x) = 5 – 2x2 dengan daerah asal {2, 3, 4, 5} adalah..
{9, 23, 37, 55}
{21, 41, 68, 105}
{-3, -13, -37, -54}
{-3, -13, -37, -45}
{1, -1, -3, -5}
7.
MULTIPLE CHOICE QUESTION
2 mins • 4 pts
diketahui fungsi kuadrat f(x) = -2x2 + 4x + 3 dengan daerah asal {x | -2 ≤ x ≤ 3, x∊ R}. daerah hasil dari fungsi tersebut adalah....
{y | -3 ≤ x ≤ 5, y ∊ R}
{y | -3 ≤ x ≤ 3, y ∊ R}
{y | -13 ≤ x ≤ -3, y ∊ R}
{y | -13 ≤ x ≤ 3, y ∊ R}
{y | -13 ≤ x ≤ 5, y ∊ R}
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