Repaso

Repaso

7th - 11th Grade

5 Qs

quiz-placeholder

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Repaso

Repaso

Assessment

Quiz

Mathematics

7th - 11th Grade

Medium

Created by

Denis Medina

Used 3+ times

FREE Resource

5 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

45 sec • 1 pt

Un dominio de la función de variable real

 f(x)=1x5 es (,5)U(5,+)f\left(x\right)=\frac{1}{x-5}\ es\ \left(-\infty,5\right)U\left(5,+\infty\right) 

Verdadero

Falso

2.

MULTIPLE CHOICE QUESTION

3 mins • 1 pt

El dominio de la función de variable real  f(x)=9x2f\left(x\right)=\sqrt{9-x^2}  

 dom f=R {3}dom\ f=R\ -\left\{3\right\}  

 dom f=(, 3)(3,+)dom\ f=\left(-\infty,\ -3\right)\cup\left(3,+\infty\right)  

 dom f=(, 3][3,+]dom\ f=\left(-\infty,\ -3\right]\cup\left[3,+\infty\right]  

 dom f = [3,3]dom\ f\ =\ \left[-3,3\right]  

3.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Sean las funciones  f(x)=x26x+3f\left(x\right)=x^2-6x+3  y  g(x)=x2g\left(x\right)=\sqrt{x-2}  al determinar  (f  g)(18)\left(f\ \circ\ g\right)\left(18\right)  obtenemos:

 99  

 5-5  

 6-6  

 9-9  

4.

MULTIPLE CHOICE QUESTION

10 mins • 1 pt

Media Image

Verdadero

Falso

5.

MULTIPLE CHOICE QUESTION

10 mins • 1 pt

Media Image

1

-2

-4

7