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Step2247 [10]
3 years ago
10

Is the following relation a function? x y 1 −2 1 −3 2 1 3 −2

Mathematics
1 answer:
vagabundo [1.1K]3 years ago
7 0

Answer:

It is not a function!

Step-by-step explanation:

It is not a function!

A function can't have two y-values assigned to the same x-value. In this case, you can se that for x=1 we have two y-values, which are y= -2 and y= -3.

We can have have two x-values assigned to the same y-value, that's why it's okay that for x=1 and x=3 we have the same y-value y=-2

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x = 8

Explanation:

AE = 3x - 4

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SInce diagonals AC and DB intersect at E

it means the lines which meet at the intersection E are equal. A and C meet at E which gives AE and EC

AE = EC

3x - 4 = x + 12

collect like terms:

3x - x = 12 + 4

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divide both sides by 2:

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