The following function represents the production cost f(x), in dollars, for x number of units produced by company 1:f(x) = 0.15x2 − 6x + 400The following table represents the production cost g(x), in dollars, for x number of units produced by company 2:x g(x)50 7560 6070 5580 6090 75Based on the given information, determine which company has a lower minimum and find the minimum value. g(x) at (70, 55) f(x) at (20, 340) f(x) at (70, 55) g(x) at (20, 340)
Question
The following function represents the production cost f(x), in dollars, for x number of units produced by company 1:f(x) = 0.15x2 − 6x + 400The following table represents the production cost g(x), in dollars, for x number of units produced by company 2:x g(x)50 7560 6070 5580 6090 75Based on the given information, determine which company has a lower minimum and find the minimum value. g(x) at (70, 55) f(x) at (20, 340) f(x) at (70, 55) g(x) at (20, 340)
Solution
Para determinar cuál empresa tiene un costo mínimo más bajo y encontrar el valor mínimo, sigamos los siguientes pasos:
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Identificar los valores mínimos dados:
- Para la función de la empresa 2, se nos da una tabla con valores específicos. El valor mínimo en la tabla es .
- Para la función de la empresa 1, necesitamos encontrar el valor mínimo de la función cuadrática .
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Encontrar el valor mínimo de :
- La función es una parábola que abre hacia arriba (ya que el coeficiente de es positivo).
- El vértice de una parábola se encuentra en .
- Aquí, y . Entonces, el vértice está en:
- Evaluamos en :
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Comparar los valores mínimos:
- El valor mínimo de es 55 en .
- El valor mínimo de es 340 en .
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Conclusión:
- La empresa 2 tiene un costo mínimo más bajo.
- El valor mínimo es .
Por lo tanto, la empresa 2 tiene el costo mínimo más bajo con un valor de 55 dólares.
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