Dominios (Expresión analítica)

Dominios (Expresión analítica)

10th Grade

11 Qs

quiz-placeholder

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Dominios (Expresión analítica)

Dominios (Expresión analítica)

Assessment

Quiz

Mathematics

10th Grade

Medium

Created by

Ana Cristina Ruiz

Used 9+ times

FREE Resource

11 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Calcula el dominio de  f\left(x\right)=x^2-5x+6  

 R=(,+)R=\left(-\infty,+\infty\right)  

 R{2,3}=(,2)(2,3)(3,+)R-\left\{2,3\right\}=\left(-\infty,2\right)\cup\left(2,3\right)\cup\left(3,+\infty\right)  

 [2,3]\left[2,3\right]  

 (2,3)\left(2,3\right)  

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Calcula el dominio de  f(x)=2x23x+2f\left(x\right)=\frac{2x^2-3}{x+2}  

 R=(,+)R=\left(-\infty,+\infty\right)  

 R{2}=(,2)(2,+)R-\left\{-2\right\}=\left(-\infty,-2\right)\cup\left(-2,+\infty\right)  

 R{2}=(,2)(2,+)R-\left\{2\right\}=\left(-\infty,2\right)\cup\left(2,+\infty\right)  

 R{0}=(,0)(0,+)R-\left\{0\right\}=\left(-\infty,0\right)\cup\left(0,+\infty\right)  

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Calcula el dominio de  f(x)= 3x25x+6f\left(x\right)=\ ^3\sqrt{x^2-5x+6}  

 R=(,+)R=\left(-\infty,+\infty\right)  

 R{2,3}=(,2)(2,3)(3,+)R-\left\{-2,3\right\}=\left(-\infty,-2\right)\cup\left(-2,3\right)\cup\left(3,+\infty\right)  

 (,2)(3,+)\left(-\infty,2\right)\cup\left(3,+\infty\right)  

 [2,3]\left[2,3\right]  

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Calcula el dominio de  f(x)=x+2f\left(x\right)=\sqrt{-x+2}  

 (,2]\left(-\infty,2\right]  

 [2,+)\left[2,+\infty\right)  

 R=(,+)R=\left(-\infty,+\infty\right)  

 R{2}=(,2)(2,+)R-\left\{2\right\}=\left(-\infty,2\right)\cup\left(2,+\infty\right)  

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Calcula el dominio de  f(x)=x26x+8f\left(x\right)=\sqrt{x^2-6x+8}  

 R=(,+)R=\left(-\infty,+\infty\right)  

 R{2,4}=(,2)(2,4)(4,+)R-\left\{2,4\right\}=\left(-\infty,2\right)\cup\left(2,4\right)\cup\left(4,+\infty\right)  

 (,2][4,+)\left(-\infty,2\right]\cup\left[4,+\infty\right)  

 [2,4]\left[2,4\right]  

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Calcula el dominio de  f(x)=12x2+5x3f\left(x\right)=\frac{1}{\sqrt{-2x^2+5x-3}}  

 R=(,+)R=\left(-\infty,+\infty\right)  

 [1,32]\left[1,\frac{3}{2}\right]  

 (,1][32,+)\left(-\infty,1\right]\cup\left[\frac{3}{2},+\infty\right)  

 (1,32)\left(1,\frac{3}{2}\right)  

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

¿Cuál de estas funciones es continua en x = 0 pero es discontinua en x = 1?

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