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xz_007 [3.2K]
2 years ago
10

What is the sum of 3x^2÷(x-2) and x^2÷(x-2)

Mathematics
1 answer:
solniwko [45]2 years ago
6 0

3x^2\div(x-2)+x^2\div(x-2)=\dfrac{3x^2}{x-2}+\dfrac{x^2}{x-2}=\dfrac{4x^2}{x-2}

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Answer:

options 1,3,4 are functions.

Step-by-step explanation:

RULE: a relation is said to be a function if every element in the domain ( the numbers in the left side in the below sets) is related to only one number ( number on the right side in the below sets).

Let us check each option one by one:

1.   3           2

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3.  -2    -4

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    -6    -8

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4.  1     3

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  -2    3

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even if it is related to the same number, it doesn't matter.

it should follow the above given rule that's it.

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