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Función logarítmica. M1. F.

Authored by carolina gabriela pozzebon

Mathematics

University

Used 5+ times

Función logarítmica. M1. F.
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7 questions

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1.

MULTIPLE CHOICE QUESTION

15 mins • 1 pt

 y=13log5(74x+2)y=\frac{-1}{3}\log_5\left(\frac{-7}{4}x+2\right)  

 Dom(f)=(,87)Dom\left(f\right)=\left(-\infty,\frac{8}{7}\right)  

 Dom(f)=(87,)Dom\left(f\right)=\left(\frac{8}{7},\infty\right)  

 Dom(f)=(0,)Dom\left(f\right)=\left(0,\infty\right)  

2.

MULTIPLE CHOICE QUESTION

15 mins • 1 pt

 y=13log5(74x2)y=\frac{-1}{3}\log_5\left(\frac{7}{4}x-2\right)  

 Dom(f)=(,87)Dom\left(f\right)=\left(-\infty,\frac{8}{7}\right)  

 Dom(f)=(87,)Dom\left(f\right)=\left(\frac{8}{7},\infty\right)  

 Dom(f)=(0,)Dom\left(f\right)=\left(0,\infty\right)  

3.

MULTIPLE CHOICE QUESTION

15 mins • 1 pt

Media Image

La función graficada tiene ecuación y=logbxy=\log_bx  

b<-1

-1<b<0

0<b<1

1<b

4.

MULTIPLE CHOICE QUESTION

15 mins • 1 pt

Media Image

 La funcioˊn graficada es de la forma  y=logbkxLa\ función\ graficada\ es\ de\ la\ forma\ \ y=\log_bkx  

k<0

k>0

5.

MULTIPLE SELECT QUESTION

15 mins • 1 pt

Media Image

 En la grafica de y=logbkx :En\ la\ grafica\ de\ y=\log_bkx\ :  

0<b<1

1<b

k>0

k<0

6.

MULTIPLE SELECT QUESTION

15 mins • 1 pt

Media Image

Conjunto de ceros= {-3}

Conjunto de positividad (,3)\left(-\infty,-3\right)

Conjunto de positividad (3,)\left(-3,\infty\right)

Conjunto de negatividad (3,2)\left(-3,-2\right)

7.

MULTIPLE SELECT QUESTION

15 mins • 1 pt

Media Image

f es cóncava hacia arriba

f es cóncava hacia abajo

asíntota horizontal y=3

asíntota vertical x=2

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