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رياضيات للثاني عشر عام

Authored by Ibrahim Fayez

Mathematics

12th Grade

CCSS covered

Used 224+ times

رياضيات للثاني عشر عام
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13 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

3 mins • 1 pt

مجال الدالة  f(x)=x+3f\left(x\right)=\sqrt{x+3}  هو 

 x≥−3x\ge-3  

 x≤−3x\le-3  

 x>−3x>-3  

 x<−3x<-3  

2.

MULTIPLE CHOICE QUESTION

3 mins • 1 pt

أوجد متوسط معدل التغير للدالة   f(x)=8x2−2x     f\left(x\right)=8x^2-2x\ \ \ \ \   
في الفترة
[-1,1]

-2

2

0

 ∞\infty  

Tags

CCSS.8.F.B.4

CCSS.HSF.IF.B.6

3.

MULTIPLE CHOICE QUESTION

3 mins • 1 pt

 f(x)=3x , g(x)=x2+1f\left(x\right)=3x\ ,\ g\left(x\right)=x^2+1 

فإن
 (f.g)(x)\left(f.g\right)\left(x\right)  

 3x2+13x^2+1  

 3x3+33x^3+3  

 3x3+3x3x^3+3x  

 3x3x  

Tags

CCSS.HSF-BF.A.1B

4.

MULTIPLE CHOICE QUESTION

3 mins • 1 pt

 f(x)=x+1  , g(x)=3x−1f\left(x\right)=\sqrt{x+1\ }\ ,\ g\left(x\right)=3x-1   
فإن  [f−g](3)\left[f-g\right]\left(3\right)  

8

-6

-2

10

Tags

CCSS.HSF-BF.A.1B

5.

MULTIPLE CHOICE QUESTION

3 mins • 1 pt

  f(x)=1−x2 , g(x)=4−x2f\left(x\right)=1-x^2\ ,\ g\left(x\right)=4-x^2  
فإن
 (f−2g)(x)\left(f-2g\right)\left(x\right)  

 (f−2g)(x)=3\left(f-2g\right)\left(x\right)=3  

 (f−2g)(x)=−3\left(f-2g\right)\left(x\right)=-3  

 (f−2g)(x)=x2−7\left(f-2g\right)\left(x\right)=x^2-7  

 (f−2g)(x)=8−3x2\left(f-2g\right)\left(x\right)=8-3x^2  

Tags

CCSS.HSF-BF.A.1B

6.

MULTIPLE CHOICE QUESTION

3 mins • 1 pt

Media Image

عدد الاصفار الحقيقية للدالة الممثلة جانبا هو

4

3

2

1

Tags

CCSS.HSF-IF.C.7C

7.

MULTIPLE CHOICE QUESTION

3 mins • 1 pt

 f(x)=2+xx2+9xf\left(x\right)=\frac{2+x}{x^2+9x}  مجال الدالة
هو

 {x I   x≠9,x≠0 ,x∈R}\left\{x\ I\ \ \ x\ne9,x\ne0\ ,x\in R\right\}  

 {x I  x≠0 , x≠−9 , x∈R}\left\{x\ I\ \ x\ne0\ ,\ x\ne-9\ ,\ x\in R\right\}  

 {x I x≠0 , x∈R}\left\{x\ I\ x\ne0\ ,\ x\in R\right\}  

 {x I x≠−9   , x∈ R}\left\{x\ I\ x\ne-9\ \ \ ,\ x\in\ R\right\}  

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