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zubka84 [21]
3 years ago
14

Help help help help pls​

Mathematics
2 answers:
Butoxors [25]3 years ago
4 0

Answer:

A

Step-by-step explanation:

A function is any relation for which an input does <em>not</em> equal two different outputs. For instance, if a set contains (1, 1) and (1, 2), then the set is not a function. However, a set that contains (1,1) and (1,1) is a function because it's the same thing. In other words, the x-coordinate cannot repeat. If it does, it must equal to same thing.

For W, none of the x-coordinates are repeated. Thus, W is a function.

Similarly, for X, none of the x-coordinates are repeated either. X is a function.

Again, for Y, none of the x-coordinates are repeated. Y is a function.

Lastly, for Z, the same thing. None of the x-coordinates are repeated, so Z is a function.

Thus, all choices are a function. The answer is A.

NikAS [45]3 years ago
3 0

Answer:

A. all of them

Step-by-step explanation:

In a function, every x in a (x,y) pair can have only one distinct y value.

This seems to be the case in the given sets of pairs.

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Step-by-step explanation:

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Tasya [4]

The coordinates of point F are (15/4 , -5/2)

  • The coordinates of point G  = (-3/4 , -3)

<h3>What is the coordinates  about?</h3>

From the image attached:

AB divided into 4 similar parts, hence

  • E is the mid-point of AB
  • D is the mid-point of AE
  • F is the mid-point of EB

Note that the rule of the mid-point states that:

When M (x , y) is the mid-point of the segment of AB, where A (x1 , y1)  and B (x2 , y2), Then  x = (x1 + x2)/2 and that of  y = (y1 + y2)/2

Then lets solve for points E, F, D

Since A (-3 , -1) and B (6 , -3),

E is the mid-point of AB

Then  E =[(-3 + 6)/2, (-1 + -3)/2]

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Since  F is the mid-point of EB,

         E (3/2 , -2) , B (6 , -3)

Then F = [(3/2 + 6)/2 , (-2 + -3)/2]

       = (15/4 , -5/2)

Since D is the mid-point of AE, A (-3 , -1), E (3/2 , -2)

Then  D = [(-3 + 3/2)/2 , (-1 + -2)/2]

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Note also that:

 BC is said to be an  horizontal segment due to the fact that B and C have similar y - coordinate and G can be found on BC.

Since the y-coordinate of G is similar to y-coordinate of B and C

Then  y-coordinate of G is =  -3

Since DG ⊥ BC

Then DG =  vertical segment

So  G has similar x-coordinate of D

Then  The x-coordinate of G = -3/4

The  G = (-3/4 , -3)

Learn more about coordinate from

brainly.com/question/12481034

#SPJ1

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