Jichu03idn
Answered

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need ko ng help plsss. ​

Need Ko Ng Help Plsss class=

Sagot :

Answer:

1. not a function

2. function

3. function

4. function

5. function

Step-by-step explanation:

A relation is a set of x and y, (x is the number in the left inside the parenthesis, and y being the right). The x(left) is called the domain and the y(right) is called the range. For example in (4,1), 4 is the domain and 1 is the range.

You can determine if a relation is a FUNCTION if the vertical line crosses the relation only once.

In easier explanation, we can tell if a relation is a function if the domain doesn't repeat itself in a whole set.

in number 1, it is not a function because the number 4 is a domain 3 times, but a relation can only be a function if its only once.

in number 3, its a function because each of the sets have different domains.

(sorry if its long,, its hard to explain itt)

(i havent learned about the type of correspondence hehe)

you can also do research if you don't understand the book

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