Repaso I Lapso Promo 95

Repaso I Lapso Promo 95

11th Grade

10 Qs

quiz-placeholder

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Repaso I Lapso Promo 95

Repaso I Lapso Promo 95

Assessment

Quiz

Mathematics

11th Grade

Practice Problem

Hard

Created by

AYMER HOYOS

Used 3+ times

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10 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

5 mins • 1 pt

Dada la función:

 f(x)=x2+1f\left(x\right)=-\sqrt{x^2+1}  
La imagen de  3\sqrt{3}   es:

 3+1-\sqrt{\sqrt{3}+1}  

 2-2  

 4\sqrt{4}  

 31-3\sqrt{1}  

2.

MULTIPLE CHOICE QUESTION

5 mins • 1 pt

Sean las funciones:  f(x)=x+1     y     g(x)=x+3f\left(x\right)=\sqrt{x}+1\ \ \ \ \ y\ \ \ \ \ g\left(x\right)=x+3  la compuesta  fo gfo\ g   está definida de la forma:



 x+4\sqrt{x}+4  

 x+1+3\sqrt{x+1}+3  

 x+3+1\sqrt{x+3}+1  

 x+4x+4  

3.

MULTIPLE CHOICE QUESTION

5 mins • 1 pt

El dominio de la función  f(x)=x2+x+7f\left(x\right)=\sqrt{x^2+x+7}   es:

 RR  

 R{7}R-\left\{-7\right\}  

 R{7}R-\left\{7\right\}  

 (0, +) \left(0,\ +\infty\right)\   

4.

MULTIPLE CHOICE QUESTION

5 mins • 1 pt

Los puntos de cortes con los ejes coordenados de la curva de la función definida como  f(x)=x3+6x2+9xf\left(x\right)=x^3+6x^2+9x  son:

 (3, 0); (0, 0)\left(-3,\ 0\right);\ \left(0,\ 0\right)  

 (0, 0) ; (3, 0)\left(0,\ 0\right)\ ;\ \left(3,\ 0\right)  

 (0, 0) ; (0,3) \left(0,\ 0\right)\ ;\ \left(0,3\right)\   

 (0, 0) ; (0, 3) \left(0,\ 0\right)\ ;\ \left(0,\ -3\right)\   

5.

MULTIPLE CHOICE QUESTION

5 mins • 1 pt

Sea  4x1=2\left|4x-1\right|=2  , uno de los valores de x es:

 14\frac{1}{4}  

 34-\frac{3}{4}  

 14-\frac{1}{4}  

 43\frac{4}{3}  

6.

MULTIPLE CHOICE QUESTION

5 mins • 1 pt

La solución de la siguiente desigualdad  6x+4>4\left|6x+4\right|>4  es:

 (, 43) (0, +)\left(-\infty,\ \frac{-4}{3}\right)\ \cup\left(0,\ +\infty\right)  

Media Image
Media Image

 (, 34)(0, +)\left(-\infty,\ \frac{-3}{4}\right)\cup\left(0,\ +\infty\right)  

7.

MULTIPLE CHOICE QUESTION

5 mins • 1 pt

La paridad de la función  f(x)=xx2+1f\left(x\right)=\frac{x}{x^2+1}  es:

Par

Impar

Par e impar

Ninguna de las anteriores

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