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# How is function represented using graphs?

• Réponse publiée par: Jelanny
What is function?

•Given a relation in x and y,  y is a function of x if for each element x in the domain, there is exactly one value of y in the range.  It is a rule of correspondence between two nonempty sets, such that, to each element of the first is called domain, there correspondents one and only one element of the second is called range. Read the details about function notation in

To determine whether it is function  by using the vertical line test. If the graph passed to Vertical line test it is consider as function. The graph of function defines y as a function of x if no vertical line intersects the graph in more than one point.

Here are the example of function and not function

1. The first set of ordered pairs is a function, because no two ordered pairs have the same first coordinates with different second coordinates for example ( -1, 2), ( 1, 0), (2, 1) .

2. The second example is not a function, because it contains the ordered pairs (1,2) (1,4)( 2, -1). the first set is repeated . These have the same first coordinate and different second coordinates. Read the details about the set of ordered pairs in

• Réponse publiée par: cyrilc310

986.728 po sana makatulong

1.D

2.C

3.A

4.A

5.B

6.C

7.D

8.C

9.D

10.A

Step-by-step explanation:

Hope it's help

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How is function represented using graphs?...