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Elden [556K]
3 years ago
12

Find the domain of the following relation. R={(19,96),(20,101),(21,106),(22,111)}

Mathematics
2 answers:
mafiozo [28]3 years ago
7 0
(x, y)

The domain are all the x-values, the range are all the y-values.

R={(19,96),(20,101),(21,106),(22,111)}

The domain is: 19, 20, 21, and 22
The range is: 96, 101, 106, and 111
kakasveta [241]3 years ago
5 0
The domain is all the x values...(x,y)
so the domain numbers are : 19,20,21,22
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This link is a good visual prompt of where the tenths, hundredths, thousandths, etc are.

Explanation:
Okay we are rounding to the hundredths. When we round a decimal up, we are basically being lazy so we just simplify the number. When we look at a number we are going to round we first need to spot where we are rounding up. In this case it is the hundredths.  Ex. 4.234/ Now the number that we are rounding "needs help from his buddy on his right" If the number on the right is 5 or greater, he is strong enough to help out. But if the number is 4 or lower he is too weak to help out. So lets do an example: Ex. 4.234. We see that 3 is the hundredths and the 3 turns to his buddy on the right and asks if can help. But since his buddy is 4 he can't help out.

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I hope this helps you out and hope you can understand this! Have a GREAT DAY!

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