
Cuestionario 3°
Authored by Jaime Chuñir
Mathematics
12th Grade
Used 8+ times

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10 questions
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1.
MULTIPLE CHOICE QUESTION
3 mins • 1 pt
Un comerciante vende quesos de tres tipos: curado, semicurado y tierno. los precios de cada uno de ellos son 12 €/kg., 10 €/kg, y 9 €/kg., respectivamente. Se sabe que el total de kilos vendidos son 44, que el importe total de la venta son 436 € y que el número de kilos vendidos del queso semicurado es el doble que del curado. Determinar cuántos quilos de cada clase vendió el comerciante.
8, 16, 20
4, 20, 20
10, 14, 20
8, 12, 24
2.
MULTIPLE CHOICE QUESTION
3 mins • 1 pt
Mateo vende revistas. El jueves, viernes y sábado; vendió en total 91. El jueves vendió 5 mas que el viernes, y el sábado vendió 6 más que el jueves. ¿Cuánto vendió cada día?
30,25,36
30,20,41
20,30,36
25,35,31
3.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
Operaciones con números complejos :
Sea
Calcule:
a.) 38, b,) -2+8i
a.) 38 + 10i, b,) -1 + i
a.) 10i, b,) 20i
a.) 38, b,) -2 - 8i
4.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
Calculemos algunos valores de f(x), g(x) y (f + g) (x), x ϵ R.
Seleccione el cuadro de respuestas correcto
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Considera las funciones reales f, g, h definidas en el intervalo (0,∞) como . Determine .
- 7
1,75
- 1,75
7
6.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
Considera las funciones reales g y h definidas en R, Halla . g(x) = 2x – 1, h(x) = 3x + 2.
Selecciona la respuesta correcta.
6x - 1
5x - 1
7x - 1
6x + 5
7.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
Considera las funciones reales g y h definidas en R. Halla (g o h)
g(x) = 2x – 1, h(x) = 3x + 2
6x + 3
6x + 5
6x - 1
6x + 4
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