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jeka94
3 years ago
7

How are natural numbers, whole numbers and integers used in everyday life?

Mathematics
1 answer:
Nezavi [6.7K]3 years ago
4 0
Natural numbers: Counting things! You look around your room and see an electronic device, then another, then another! You just counted to 3 using the natural numbers.

Whole numbers! You try to look for electronic devices and realise that they’re all gone. You have zero electronic devices, and you just used whole numbers.

You go online to find where your electronic devices went, and realise they were taken because you’re in debt to the bank so they took some of your stuff. You’re in negative numbers, and now you’ve used integers.
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How do i know when a set of ordered pairs that represents a function?
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Answer:

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Step-by-step explanation:

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3 years ago
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Step-by-step:

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Step-by-step explanation:

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2 years ago
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Kipish [7]
<h3>Answer:</h3>

x/tan(x) is an even function

sec(x)/x is an odd function

<h3>Explanation:</h3>

<em>x/tan(x)</em>

For f(x) = x/tan(x), consider f(-x).

... f(-x) = -x/tan(-x)

Now, we know that tan(x) is an odd function, so tan(-x) = -tan(x). Using this, we have ...

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_____

<em>sec(x)/x</em>

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The relation g(-x) = -g(x) is characeristic of an odd function, one that is symmetrical about the origin.

6 0
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