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Menentukan Rumus Fungsi

Authored by Peni Anggareni

Mathematics

8th Grade

Used 27+ times

Menentukan Rumus Fungsi
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10 questions

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1.

MULTIPLE CHOICE QUESTION

5 mins • 1 pt

Fungsi  ff  ditentukan oleh  f(x)=ax+b,f\left(x\right)=ax+b,  dengan  aa  dan  bb  bilangan real. Jika  f(2)=3f\left(2\right)=3  dan  f(3)=5,f\left(3\right)=5,  maka rumus fungsi ff  adalah...

 2x12x-1  

 2x+12x+1  

 x2-x-2  

 x+2x+2  

2.

MULTIPLE CHOICE QUESTION

5 mins • 1 pt

Fungsi ff ditentukan oleh  f(x)=3x+5.f\left(x\right)=3x+5.  Jika  f(a)=1f\left(a\right)=-1  maka a=...a=...   


0

-1

-2

-3

3.

MULTIPLE CHOICE QUESTION

5 mins • 1 pt

Jika diketahui f(x)=3ax+4f\left(x\right)=\frac{3}{a}x+4 dengan  f(16)=12,f\left(16\right)=12,  maka nilai  aa  adalah...


5

7

6

8

4.

MULTIPLE CHOICE QUESTION

5 mins • 1 pt

Fungsi  ff  dirumuskan oleh  ax+b.ax+b.  Jika  f(2)=1f\left(2\right)=1  dan  f(3)=5f\left(3\right)=5  , maka nilai dari  f(4) f\left(4\right)\   adalah...

-9

9

 19\frac{1}{9}  

 19-\frac{1}{9}  

5.

MULTIPLE CHOICE QUESTION

5 mins • 1 pt

Fungsi ff  dinyatakan dengan rumus  f(x)=ax+b.f\left(x\right)=ax+b.  Jika  f(0)=2f\left(0\right)=-2  dan  f(2)=4f\left(2\right)=4  , maka nilai  aa  dan  bb  berturut- turut adalah...

2 dan -5

-2 dan 5

-3 dan -2

3 dan -2

6.

MULTIPLE CHOICE QUESTION

5 mins • 1 pt

Fungsi ff dirumuskan dengan  f(x)=3x+2f\left(x\right)=3x+2  . Jika  f(a)=11,f\left(a\right)=11,  nilai  3a2=...3a-2=...   

Fungsi

23

7

15

18

7.

MULTIPLE CHOICE QUESTION

5 mins • 1 pt

Diketahui rumus suatu fungsi adalah f(x)=ax+bf\left(x\right)=ax+b  . Jika nilai  f(3)=8f\left(3\right)=8  dan  f(2)=7f\left(-2\right)=-7  , maka rumus fungsi f adalah...


 3x+1-3x+1  

 3x1-3x-1  

 3x+13x+1  

 3x13x-1  

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