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Gnom [1K]
4 years ago
12

Which table represents a linear function?

Mathematics
2 answers:
Greeley [361]4 years ago
8 0

Answer:

The table that represent a linear function is:

           x                       y          

           1                      -2          

           2                     -10          

           3                     -18          

           4                     -26        

Step-by-step explanation:

We are asked to find which of the following table represent an linear function.

As the x-value is increasing by a constant value i.e. '1'.

Hence, for the function to be a linear function the value of y must also increase or decrease by the same constant.

This means the difference in the y-value from the preceding y-value must be same.

1)

           x                       y           Difference in y-value

           1                      -2          

           2                      -5           -5-(-2)=-3

           3                      -9            -9-(-5)=-4

           4                       -14          -14-(-9)=-5

As the difference in y-value is different hence, the table does not represent a linear function.

2)

           x                       y           Difference in y-value

           1                      -2          

           2                      -4           -4-(-2)=-2

           3                      -8            -8-(-4)=-4

           4                       -16         -16-(-8)=-8

As the difference in y-value is different hence, the table does not represent a linear function.

3)

           x                       y           Difference in y-value

           1                      -2          

           2                      -6           -6-(-2)=-4

           3                      -2            -2-(-6)=4

           4                       -6           -6-(-2)=-4

As the difference in y-value is different hence, the table does not represent a linear function.

4)

           x                       y           Difference in y-value

           1                      -2          

           2                      -10           -10-(-2)=-8

           3                      -18            -18-(-10)=-8

           4                       -26         -26-(-18)=-8

As, the difference in y-value is same.

Hence, the table represent a linear function.

 

posledela4 years ago
4 0
You have to see if it's a constant rate of change
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Answer:

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Step-by-step explanation:

Given:

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Probability of getting the sum of two numbers as 4.

Solution:

First of all, let us have a look at the total possibilities when two dice are rolled:

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[2][1], [2][2], [2][3], [2][4], [2][5], [2][6],

[3][1], [3][2], [3][3], [3][4], [3][5], [3][6],

[4][1], [4][2], [4][3], [4][4], [4][5], [4][6],

[5][1], [5][2], [5][3], [5][4], [5][5], [5][6],

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These are total 36 possible outcomes.

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P(E) = \dfrac{\text{Number of favorable cases}}{\text {Total number of cases}}

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