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omeli [17]
3 years ago
12

En cierto en la ciudad de londres la temperatura a las tres de la mañana era de -4°, una hora despues la temperatura aumenta 3°,

dos horas despues desiende -5°, las cinco horas siguientes aumenta 2° por hora
¿cual fue la temperatura a las diez de la mañana?
Mathematics
1 answer:
Feliz [49]3 years ago
5 0

Answer:

<em>La temperatura a las diez de la mañana fue +2°</em>

Step-by-step explanation:

<u>Tasa de Cambio de Funciones</u>

Algunas funciones modelan el estado de una variable respecto al tiempo. La variación de ese estado en cierto intervalo se llama tasa de cambio.

En nuestro problema, tenemos información de los cambios de la temperatura en la ciudad de Londres. Hagamos la secuencia según la historia nos la cuenta:

A las tres de la mañana, la temperatura era -4°. Una hora después la temperatura aumentó 3°, por lo tanto:

A las cuatro de la mañana, la temperatura era -4°+3°=-1°. Dos horas después la temperatura desciende 5° (se obvia el signo). Por lo tanto:

A las seis de la mañana, la temperatura era -1°-5°=-6°

Las cinco horas siguientes, la temperatura aumenta 2° por hora. Queremos saber la temperatura a las diez de la mañana, es decir, cuatro horas luego de la última calculada.

Si aumenta 2° por hora, en 4 horas aumentó 4*2°=8°. Finalmente, la temperatura a las diez de la mañana fue -6°+8° = +2°

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