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finlep [7]
3 years ago
9

A set of ordered pairs is below : ( 3, 2 ) , ( 6, 2 ) , ( -6, 4 ) , ( -4, 6 ) , ( 3, 2 ) . is it a function? list the domain and

range .. help plz​
Mathematics
1 answer:
sergij07 [2.7K]3 years ago
5 0

Answer: it not a function

The domains are :( -6, -4, 3 and 6)

The range are ( 2, 4 and 6)

Step-by-step explanation: to test if it's a function, we will use vertical line test

1) Y = mX + c

M = 0 and

2) y = x^2

The fail both of the two test equation. We therefore conclude that it's not a function it just a mere relation.

The domains are set of X variables

While range are set of Y variables

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3 years ago
El Sr negron tiene que redactar una serie de cartas en su oficina. A Lourdes le toma 6 horas pasar todas las cartas. A su compañ
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El Sr negron tiene que redactar una serie de cartas en su oficina. A Lourdes le toma 6 horas pasar todas las cartas. A su compañera rosabel, le toma 9 horas en realizar la misma tarea. Si ambas trabajan juntas para hacer todo el trabajo d ela oficina,

a. Cuánto tiempo le tomará a ambas realizar el trabajo?

Answer:

3.6 horas

Step-by-step explanation:

Sea el número total de horas que ambos trabajaron = T

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De la pregunta, se nos dice:

Lourdes necesitó 6 horas para revisar las cartas.

Esto significa que, cada 1 hora, Lourdes revisaba 1/6 de las letras

Rosabel tardó 9 horas en leer las letras.

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Por lo tanto,

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(1/6 + 1/9) T = 1

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Cruz multiplicar

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Por lo tanto, les tomó a ambas 3.6 horas hacer el trabajo.

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3 years ago
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