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Composición de funciones

Authored by Jorge Luis Carrera

Mathematics

12th Grade

Used 196+ times

Composición de funciones
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10 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

5 sec • 1 pt

Calcula  (f ∘ g)(x)\left(f\ \circ\ g\right)\left(x\right)  

siendo f\left(x\right)=\frac{x+2}{x-1}  y  g(x)=3x+1g\left(x\right)=3x+1  

 3x+2x−1+13\frac{x+2}{x-1}+1  

 3x+2x−1\frac{3x+2}{x-1}  

 4x+5x−1\frac{4x+5}{x-1}  

 x+1x\frac{x+1}{x}  

2.

MULTIPLE CHOICE QUESTION

5 sec • 1 pt

Si  f(x)=x+2x−1f\left(x\right)=\frac{x+2}{x-1}  y  g(x)=3x+1g\left(x\right)=3x+1  el dominio de  (f∘g)(x)\left(f\circ g\right)\left(x\right)  es  

R

R-{0}

R-{1}

R-{0,1}

3.

MULTIPLE CHOICE QUESTION

5 sec • 1 pt

Dadas las funciones f(x) = 4x2+5 y g(x) = 3x-1 hallar: (fog)(x)

36x2 + 9

36x2 - 6x + 6

36x2 + 1

36x2 - 24x + 9

4.

MULTIPLE CHOICE QUESTION

5 sec • 1 pt

 Dado f(x)=x2+3  y  g(x)=−2x−1Dado\ f\left(x\right)=\sqrt{x^2+3}\ \ y\ \ g\left(x\right)=-2x-1  
Hallar: (fog)(2)

 232\sqrt{3}  

 22  

 272\sqrt{7}  

 2121  

5.

MULTIPLE CHOICE QUESTION

5 sec • 1 pt

Media Image

Composición

A

B

C

D

6.

MULTIPLE CHOICE QUESTION

5 sec • 1 pt

Media Image

Composición

A

B

C

D

7.

MULTIPLE CHOICE QUESTION

5 sec • 1 pt

Media Image

Composición

A

B

C

D

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