Sea f(x) = x2 – 2x y g(x) = 3x + 2 determinar la composición (gof)(x)
EXAMEN TRIMESTRAL DE MATEMATICA

Quiz
•
Mathematics
•
3rd Grade
•
Hard
Byron Yupangui
Used 7+ times
FREE Resource
10 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
9x2-6x
3x2-6x+2
9x2+6x
3x2+6x-2
9x2+6x-2
2.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
¿Cuál de las gráficas representa una función exponencial?
3.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
¿Cuál es la expresión que permite nombrar una función de tipo exponencial?
f(x) = 2x + 3
f(x) = 2(x + 3)
f(x) = 2x - 3
f(x) = 2x/3
4.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
En una función exponencial la variable x es?
El coeficiente de la potencia
El exponente de la potencia
La potencia
La base
5.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
Si f es una función exponencial, ¿Cuál (es) de las siguientes afirmaciones es (son) verdadera (s)?
I.- Dom (f) = R
II.- f es siempre creciente
III.- Rec(f) = R+ U 0
Solo I
Solo II
Solo I y II
Solo I y III
I, II y III
6.
MULTIPLE CHOICE QUESTION
10 mins • 1 pt
El valor de x de la ecuación 2x – 2 = 16 es
x=5
x=-6
x=2
x=6
7.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
Dado f(x) = 2x2 + 5x – 3
El valor de f(3) es
19
30
-30
18
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