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Banco de Preguntas de Matemática

Authored by Javier Cruz

Mathematics

12th Grade

Used 1+ times

Banco de Preguntas de Matemática
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53 questions

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1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Determine el dominio de la siguiente función: f(x)=√3−x−1

Dom f=(−∞,4]

Dom f=(−∞,4)

Dom f=(4,+∞)

Dom f=[4,+∞)

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

La solución de la inecuación 4x - 7 ≥ 2x + 1 es:

X ∈(5,+∞)

X ∈[5,+∞)

X ∈(−∞,5)

X ∈(−∞,5]

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

La solución de la inecuación 2x - 4 < - x + 2 es:

X < 3

X < -1

X > 3

X > -1

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Simplifique y elija la respuesta correcta:(m-3n)/(2m-n) (m−3n)/(2mn−n2)−1+3n=

2n/m

2m/n

2m

2n

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Resuelva el siguiente ejercicio: √(x^2 + 2x + 1)/(x^2 + 5x + 4))(4x + 16)/(x + 1) + 1/2 =

4/2

3

1/4

6/2

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Si f(x)=2x−3 y g(x)=3x+5, el resultado de (f∙g)(x) es:

(f∙g)(x)=6x^2+2x+10

(f∙g)(x)=6x^2−2x+10

(f∙g)(x)=6x^2+2x−10

(f∙g)(x)=6x^2−2x−10

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Si f(x)=x^2−2x+3 y g(x)=2x−3, el resultado de (f∘g)(3) es:

(f∘g)(3)=5

(f∘g)(3)=1

(f∘g)(3)=4

(f∘g)(3)=0

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