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stira [4]
3 years ago
7

Which relation is a function​

Mathematics
1 answer:
erma4kov [3.2K]3 years ago
8 0

Answer:

Top left one on the attached, must be option A

Step-by-step explanation:

A function has to have unique input values and for each input value has to have an output value.

Analyzing the graphs we can see that only one of them is a function- top left one

All the others have repeat input values, therefore are not functions

All those points marked with red circle

<em>Refer to attached </em>

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Which set of points would result in a slope of 1/4
8090 [49]

Answer:

C) ( 8,2) and (4,1)

The slope of the line

         m = \frac{1}{4}

Step-by-step explanation:

<u><em>Explanation:-</em></u>

Given that the set of points ( 8,2) and (4,1)

ThesSlope of the line

             m = \frac{y_{2}-y_{1}  }{x_{2} -x_{1} }

             m = \frac{1-2  }{4-8 }= \frac{-1}{-4} = \frac{1}{4}

The slope of the line

         m = \frac{1}{4}

4 0
3 years ago
Students in Mr. Rivas’ class were practicing their multiplication skills by rolling three 6-sided number cubes. Chris rolled a 2
guajiro [1.7K]

Sorry wrote down the wrong thing the first time. Try doing 2 plus 3 times 5.

3 0
3 years ago
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Halle la ecuación del eje x y la ecuación del eje y, usando dos puntos que se encuentren sobre los mismos.
lisov135 [29]

Una linea recta ( cualquier eje coordenado es una línea recta) queda definida si se conocen dos puntos que están sobre ella.

Solución:

Ecuación del eje x      y = 0

Ecuación del eje y      x = 0

Para darle respuesta a la pregunta podemos seguir el siguiente procedimiento:

  • Escogemos dos puntos arbitrarios sobre el eje x, por ejemplo

P ( 2 ; 0 )  y Q ( 5 ; 0 )         ( todos los puntos sobre el eje x tienen coordenada y = 0.

Según la cual  m = (y₂ - y₁)/ ( x₂ - x₁ )    m = 0

  • Usamos la ecuación pendiente-Intercepto

y = m×x + b         donde m es la pendiente y b el intercepto con el eje y

y entonces tenemos:

  • m = 0    b ( 0 ; 0 )
  • Por sustitución en la ecuación pendiente-intercepto

y = 0

Procediendo de forma similar obtendremos la ecuación del eje y

P´( 0 ; 4 )     Q´( 0 : 8 ) entonces

y = m×x + b

En este caso, la pendiente no es definida ( tang 90° ) y b es de nuevo el punto b ( 0 ; 0).

A partir de  que todos y cada uno de los puntos sobre el eje y son  de valor 0 para x, concluímos que  ecuación del eje y es

x = 0

Enlaces de interés:brainly.com/question/21135669?

8 0
2 years ago
Is the product of greater or less than ? Is it
lana66690 [7]

Step-by-step explanation:

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4 0
3 years ago
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klio [65]

Answer:6x+1-3x-1

negative and negative= positive

3x+2

answer: 3x+2

Step-by-step explanation:

3 0
3 years ago
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