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AnnyKZ [126]
3 years ago
13

Which of the following relations describes a function?

Mathematics
1 answer:
prisoha [69]3 years ago
3 0

Answer:

{(-3,-4), (-4,-3), (3, 4), (4,3)}

Step-by-step explanation:

{(-3,-4), (-4,-3), (3, 4), (4,3)}

because x should not be the same in more than one pair

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I attached a computation to guide you on how I arrived with this answer.

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The expression 53 ( 1 − x) gives the discounted price of a pair of shoes, where x is the percent of the discount written in deci
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I think its A. sorry if i got it wrong
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Solve absolute value equations
djverab [1.8K]
1. |b/5|=1 take the equation out of the absolute value
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*5 *5 multiply both sides by 5
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that took forever to type lol :^)
5 0
3 years ago
24 PTS!!!!!!1
balandron [24]

Answer:

  D  (7, 0.5)

Step-by-step explanation:

The equations must be interpreted to be ...

  • y = -1/2x +4
  • y = 1/2x -3

A graph shows the solution to be (7, 0.5), matching selection D.

___

You can add the two equations together to get ...

  (y) +(y) = (-1/2x +4) + (1/2x -3)

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  y = 1/2 . . . . .divide by 2

It can be convenient to use the second equation to find x.

  1/2 = 1/2x - 3

  1 = x - 6 . . . . . . multiply by 2

  7 = x . . . . . . . . . add 6

The solution is (x, y) = (7, 0.5). . . . . matches selection D.

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