Función Radical o Irracional

Función Radical o Irracional

11th Grade

10 Qs

quiz-placeholder

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Función Radical o Irracional

Función Radical o Irracional

Assessment

Quiz

Mathematics

11th Grade

Hard

Created by

CÉSAR MALDONADO

Used 29+ times

FREE Resource

10 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

¿Cuál es el dominio de

 2x14\sqrt{2x-14}  ?

 (9,2)\left(-9,-2\right)  

 [7,+)\left[7,+\infty\right)  

 [4,6]\left[-4,6\right]  

 (,7]\left(\infty,7\right]  

2.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

¿Cuál es una función irracional o radical?

f(x)=2x84f\left(x\right)=\frac{2x-8}{4}

f(x)=6+12xf\left(x\right)=\left|6+12x\right|

f(x)=2412xf\left(x\right)=\sqrt{24-12x}

f(x)=x22x+3f\left(x\right)=x^2-2x+3

3.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

¿Cuál es el dominio de la siguiente función

 f(x)=5x30f\left(x\right)=-\sqrt{5x-30}  ?

 [6,+)\left[-6,+\infty\right)  

 [6,+)\left[6,+\infty\right)  

 (,3]\left(-\infty,3\right]  

 (3,+)\left(-3,+\infty\right)  

4.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

¿Cuál es punto de corte con el eje de las "x" de la función: f(x)=3+x+2f\left(x\right)=-3+\sqrt{x+2}  ?

 (0,7)\left(0,7\right)  

 (0,7)\left(0,-7\right)  

 (7,0)\left(-7,0\right)  

 (7,0)\left(7,0\right)  

5.

MULTIPLE CHOICE QUESTION

45 sec • 1 pt

Cual es la restricción para encontrar el dominio de raíces con índice par. y=f(x)y=\sqrt{f\left(x\right)}  


 No hay restriccioˊnNo\ hay\ restricción  

 f(x)0f\left(x\right)\le0  

 f(x)0f\left(x\right)\ge0  

 f(x)=0f\left(x\right)=0  

6.

MULTIPLE SELECT QUESTION

45 sec • 1 pt

Indica cuales son funciones irracionales (2 respuestas)

 y=2x+3y=2x+\sqrt{3}  

 y=x3y=\sqrt{x-3}  

 y=33xy=\sqrt{3}-3x  

 y=42x4y=\frac{4}{\sqrt{2x-4}}  

7.

MULTIPLE SELECT QUESTION

45 sec • 1 pt

¿Una función irracional es aquella donde la variable x esta dentro del radical?

Verdadero

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