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#1 2016-12-22 19:22:43

Zeeshan 01
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Registered: 2016-07-22
Posts: 746

Please explain this definition

A rule that assigns to each element x in X a unique element y in Y is Called a function from
X TO Y
what it saying what rule what x in X


Malik

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#2 2016-12-24 04:46:08

zetafunc
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Registered: 2014-05-21
Posts: 2,432
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Re: Please explain this definition

A function is a rule.

Here, x is just a member of the set X. Here's a picture:

200px-Injection_keine_Injektion_2a.svg.png

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#3 2016-12-25 00:22:07

Zeeshan 01
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Registered: 2016-07-22
Posts: 746

Re: Please explain this definition

How function is rule

And what is d b c a in y


Malik

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#4 2016-12-25 01:07:33

zetafunc
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Registered: 2014-05-21
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Re: Please explain this definition

Suppose I want to define a function that takes any number and adds 3 to it. How would you define such a function?

Last edited by zetafunc (2016-12-25 01:07:44)

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#5 2016-12-25 01:41:00

Zeeshan 01
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Registered: 2016-07-22
Posts: 746

Re: Please explain this definition

Oops I cannot define it


Malik

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#6 2016-12-25 01:44:16

Zeeshan 01
Member
Registered: 2016-07-22
Posts: 746

Re: Please explain this definition

But what is x and y please show me process graphically...


Malik

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