Dado f(x) = 3x^2 – 2x -1 y g(x) = (3x +1)^{-1} determine el dominio de (f.g)(x)

Examen de Grado Matemática

Quiz
•
Mathematics
•
3rd Grade
•
Easy
Derek Steven Vásquez Guzmán
Used 4+ times
FREE Resource
87 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
R – { ⅓}
] - ∞;∞ [
] 0; ⅓ [
R – {- ⅓}
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
¿Cuáles son las asíntotas verticales de la función f(x) = 1/(x+2)?
x = -2
x = 2
x = -1
x = 0
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
En la siguiente gráfica definir si la función es:
impar
par
no tiene paridad
constante
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Dadas las funciones f(x) = x^2 + 2x y g(x) = 2x + 1 ¿Cuál es el rango de la función resultante de (f -g)(x)?
[-1, 1 [
]1, ∞ [
[1, ∞ [
[-1, ∞ [
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Dadas las funciones f(x) = x + 5 y g(x) = x^2, elegir la opción correcta.
f(g(x)) es una función decreciente
g(f(x)) es una función creciente
f(g(x)) es una función cuadrática
g(f(x)) es una función constante
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
La solución de la ecuación 1−3x/2 +3=x+5/4−x es igual a:
x = 12
x = 6
x = 3
x = 1
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
La solución de la ecuación 3x+5/4−2=x−1/2+3 es igual a:
x = 13
x = 7
x = 8
x = -13
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