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Relasi dan Fungsi

Authored by samuel aprianus

Mathematics

8th Grade

Used 46+ times

Relasi dan Fungsi
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6 questions

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1.

FILL IN THE BLANK QUESTION

1 min • 5 pts

2.

MATCH QUESTION

1 min • 5 pts

Match the following

setengah dari

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kubik dari

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kuadrat dari

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setengah dari

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faktor dari

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3.

DROPDOWN QUESTION

1 min • 5 pts

9
-3 1/4
18a + 1
-4
18a + 11
3 1/4
-23
-15
9a + 5
-17

Answer explanation

a. f(5) = 6 - 3(5) => 6 - 15 = 9 | f(-4) = 6 - 3(-4) => 6 + 12 = 18 | -9 + 18 = 9

b. f(4) = 3 - 5(4) = 3 - 20 = -17

c. f(1/2) = 3(1/2)2 - 2(1/2) - 5 => 3/4 - 1 - 5 = - 31/4

d. f(3a+1) = 6(3a+1) - 5 => 18a + 6 - 5 = 18a + 1

e. 3x + 2 = -5 => 3x = -7 | x = - 7/3

substitusi x = - 7/3 ke f(x), sehingga

f(3(- 7/3) + 2) = 6(- 7/3) + 10

f(-7 + 2) = 2(-7) + 10

f(-5) = -4

4.

FILL IN THE BLANK QUESTION

1 min • 5 pts

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Selesaikan soal berikut.

(a)  

Answer explanation

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5.

DRAW QUESTION

3 mins • 5 pts

Suatu fungsi didefinisikan sebagai f(x) = 2x − 2. Bila daerah asal {x| −1 ≤ x ≤ 2, x ∈ B}, maka daerah hasil adalah...

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Answer explanation

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6.

GRAPHING QUESTION

3 mins • 5 pts

Grafik fungsi f(x) = 2x + 2, dengan x ∈ R adalah.

Answer explanation

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Titik-titik yang terbentuk

(x,y) = (-1,0); (0,2); (1,4); (2;6); (3,8), dst

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