Máximos y Mínimos

Quiz
•
Mathematics
•
University
•
Medium
AMY MORA
Used 4+ times
FREE Resource
20 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
¿Qué condición debe cumplir la derivada de una función en un punto para que este sea candidato a máximo o mínimo?
f’(x) ≠ 0
f’(x) = 0
f’(x) > 0
Ninguna de las anteriores
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Si f’(x) pasa de positivo a negativo en x = a, ¿qué se concluye?
a) Hay un mínimo relativo en x = a
b) Hay un máximo relativo en x = a
c) La función es creciente
d) No hay punto crítico
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Si f’(x) pasa de negativo a positivo en x = b, ¿qué ocurre?
Máximo relativo
Mínimo relativo
Punto de inflexión
Ninguna
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Si f’(x) no cambia de signo en un punto crítico, ¿qué sucede?
Máximo
Mínimo
No es extremo
Indeterminado
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Una empresa produce un costo C(x) = x² – 4x + 6. ¿En qué valor de x el costo es mínimo?
x = 1
x = 2
x = 3
x = 4
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
El área máxima de un rectángulo inscrito en una circunferencia se logra cuando:
Es un cuadrado
Es un rectángulo alargado
Depende del radio
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
El máximo de f(x) = –x² + 4x + 1 ocurre en:
x = 1
x = -2
x = 2
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