ÁLGEBRA DE FUNCIONES

ÁLGEBRA DE FUNCIONES

11th Grade

10 Qs

quiz-placeholder

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ÁLGEBRA DE FUNCIONES

ÁLGEBRA DE FUNCIONES

Assessment

Quiz

Mathematics

11th Grade

Practice Problem

Medium

Created by

ARMA PEREIRA

Used 221+ times

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10 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

3 mins • 1 pt

Si

 f(x)=2x2+3x3 ; g(x)=x24x1f\left(x\right)=-2x^2+3x-3\ ;\ g\left(x\right)=x^2-4x-1  entonces  (f+g)(x) es :\left(f+g\right)\left(x\right)\ es\ :  

 x22x+1x^2-2x+1  

 x2x4x^2-x-4  

 x2x4-x^2-x-4  

 x2x+4-x^2-x+4  

2.

MULTIPLE CHOICE QUESTION

3 mins • 1 pt

Si  f(x)=x23x+1 ; g(x)= x2+4x1f\left(x\right)=-x^2-3x+1\ ;\ g\left(x\right)=\ -x^2+4x-1  entonces  (fg)(x) es:\left(f-g\right)\left(x\right)\ es:  

 7x27x-2  

 7x2-7x-2  

 7x+2-7x+2  

 7x+27x+2  

3.

MULTIPLE CHOICE QUESTION

3 mins • 1 pt

 Si f(x)= 2x3+x27x+1  ; g(x)=x34x1Si\ f\left(x\right)=\ -2x^3+x^2-7x+1\ \ ;\ g\left(x\right)=-x^3-4x-1  

entonces  (gf)(1) es:\left(g-f\right)\left(-1\right)\ es:  

 8-8  

 7-7  

 77  

 88  

4.

MULTIPLE CHOICE QUESTION

3 mins • 1 pt

 Si  f(x)=x3  ;  g(x)= x21Si\ \ f\left(x\right)=x-3\ \ ;\ \ g\left(x\right)=\ x^2-1  entonces  (f×g)(2) es :\left(f\times g\right)\left(-2\right)\ es\ :  


 26-26  

 27-27  

 28-28  

 29-29  

5.

MULTIPLE CHOICE QUESTION

3 mins • 1 pt

 Si f(x)= x27x+10  ; g(x)= x225Si\ f\left(x\right)=\ x^2-7x+10\ \ ;\ g\left(x\right)=\ x^2-25  entonces f(x)g(x) es:\frac{f\left(x\right)}{g\left(x\right)}\ es:  


 x2x+5\frac{x-2}{x+5}  

 x+2x+5\frac{x+2}{x+5}  

 x2x5\frac{x-2}{x-5}  

 x+2x5\frac{x+2}{x-5}  

6.

MULTIPLE CHOICE QUESTION

3 mins • 1 pt

 Si f(x)= 2x23x entoncesSi\ f\left(x\right)=\ 2x^2-3x\ entonces   f(x+h)f(x)h es:\frac{f\left(x+h\right)-f\left(x\right)}{h}\ es:  

 4x+h34x+h-3  

 4x+2h34x+2h-3  

 4x2h+34x-2h+3  

 4x+5h+34x+5h+3  

7.

MULTIPLE CHOICE QUESTION

3 mins • 1 pt

Si  f(x)=x23x+1 ; g(x)= x2+4x1f\left(x\right)=-x^2-3x+1\ ;\ g\left(x\right)=\ -x^2+4x-1  entonces  (gf)(x) es:\left(g-f\right)\left(x\right)\ es:  

 7x27x-2  

 7x2-7x-2  

 7x+27x+2  

 7x+2-7x+2  

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