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DOMAIN FUNGSI ALJABAR

Authored by anita mayasari

Mathematics

10th Grade

Used 67+ times

DOMAIN FUNGSI ALJABAR
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8 questions

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1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Domain dari fungsi  f\left(x\right)=2x^2+7x-9  adalah ....

 {xx312, x1, xR}\left\{x│x\ne-3\frac{1}{2},\ x\ne1,\ x\in R\right\}  

 {xx312 atau x1, xR}\left\{x│x\le-3\frac{1}{2}\ atau\ x\ge1,\ x\in R\right\}  

 {xx0, xR}\left\{x│x\ge0,\ x\in R\right\}  

 {x312<x<1, xR}\left\{x│-3\frac{1}{2}<x<1,\ x\in R\right\}  

 {x xR}\left\{x│\ x\in R\right\}  

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Daerah asal fungsi  f(x)=x+3x2+x2f\left(x\right)=\frac{x+3}{x^2+x-2}  adalah...

  

 -2\le x\le1  

 x\le-2  atau  x\ge1 

 x\ne-2  dan  x\ne1  

 x\le-3  atau  -2\le x\le1  

 x\ne-1  dan  x\ne2  

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Domain dari fungsi  f(x)=25x2f\left(x\right)=\sqrt{25-x^2}  adalah ....


0\le x\le5

atau x\ge5

-5\le x\le0

x\le-5 atau x\ge5

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Daerah hasil dari fungsi  f(x)=2x+5 f\left(x\right)=2x+5\   untuk nilai  2<x6-2<x\le6  adalah ....

 1<y171<y\le17  

 7y<1-7\le y<1  

 y<1 atau   y17y<1\ atau\ \ \ y\ge17  

 9<y179<y\le17  

 y9  atau   y7y\le9\ \ atau\ \ \ y\ge7  

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Range dari fungsi  f\left(x\right)=\ x^2-4x-12   jika diketahui domain  Df={x 2x<8, xR}D_f=\left\{x\ |-2\le x<8,\ x\in R\right\}  adalah ....

 0y<200\le y<20  

 4y<184\le y<18  

 16y<20-16\le y<20  

 0<y180<y\le18  

 16<y20-16<y\le20  

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Daerah hasil fungsi  f\left(x\right)=1-x^3  dengan domain {x1x4, xbilangan bulat}\left\{x│1\le x\le4,\ x\in bilangan\ bulat\right\}  adalah ....

 {64,26,9,0}\left\{-64,-26,-9,0\right\}  

 {64,26,7,0}\left\{-64,-26,-7,0\right\}  

 {63,26,7,0}\left\{-63,-26,-7,0\right\}  

 {2,9,10,49}\left\{2,9,10,49\right\}  

 {2,9,28,50}\left\{2,9,28,50\right\}  

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Daerah hasil fungsi g(x)=x2+4x36g\left(x\right)=x^2+4x-36    
   untuk   1x5, xR-1\le x\le5,\ x\in R  adalah ....
  

 24<y9-24<y\le9  

 31y12-31\le y\le12  

 20y15-20\le y\le15  

 39y9-39\le y\le9  

 12y10-12\le y\le10  

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