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Yuliya22 [10]
4 years ago
15

Is the initial graph a function ? Is the inverse of the graph a function ?

Mathematics
1 answer:
sertanlavr [38]4 years ago
7 0

Answer:

a) No

b) Yes

Step-by-step explanation:

a) The value Temp = 2 maps to more than one value of Time, so Time is NOT a function of Temp.

b) Each value of Time only maps to one value of Temp, so Temp IS a function of Time.

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Answer:

Lo primero que debemos saber, es que la gráfica de pastel nos permite dividir a una población, la cual sería el 100%, en porcentajes menores que representan algo.

En este caso tenemos los porcentajes 20%, 50%, 10%  (notar que no suman 100%, entonces nos falta algún porcentaje)

Bueno, como sabemos el gráfico (el cual es un círculo) representa el 100%.

Y en un círculo, tenemos un ángulo de 360°

Entonces comenzamos con la equivalencia:

360° = 100%

Entonces, ¿a que grado corresponde el 50%? Planteamos la ecuación:

x = 50%

Si tomamos el cociente entre las ecuaciones:

x = 50% y  360° = 100%

obtenemos:

x/360° = 50%/100%

resolviendo para x, obtenemos:

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Para los otros porcentajes hacemos lo mismo.

Para el de 20% tenemos:

y = 20%

planteamos la ecuación:

y/360° = 20%/100%

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z = 10%

planteando la ecuación como antes:

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Asi, hemos encontrado los grados correspondientes para cada porcentaje.

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