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Nuetrik [128]
3 years ago
8

Find f(-2) if f={(-2,3),(3,0),(0,5),(5,-2)}​

Mathematics
1 answer:
pishuonlain [190]3 years ago
5 0

Answer:

f(-2)=3

Step-by-step explanation:

Given:

The given function in the set of ordered pairs form is:

f=\{(-2,3),(3,0),(0,5),(5,-2)\}

Now, for an ordered pair (x,y), 'x' represents the domain of the function and 'y' represents the range of the function.

f(-2) represents the value 'y' of the function for the given domain value x=-2.

So, from the set of ordered pairs given, the ordered pair that has x=-2 is (-2, 3).

Here, -2 represents the 'x' value and 3 represents the 'y' value of the function.

Therefore, f(-2)=3

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Read the following sentence using mathematical symbols . Twice the difference of X and 2, is -22
Cloud [144]

Answer:

2(x - 2) = -22

Step-by-step explanation:

* Lets explain how to solve the problem

- There are some words we can change it by mathematics symbols

  like the sum means (+), the difference means (-), the product

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* Lets solve the problem

- The sentence is ⇒Twice the difference of X and 2 is -22

- This sentence represents an equation

∵ Twice means Multiply by two

∵ Difference means subtract

∵ is means equal

- Lets explain the parts of the sentence

∵ Twice the difference

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∴ Twice the difference of X and 2 means we will subtract 2 from x

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∴ Twice the difference of X and 2 represented by 2(x - 2)

∵ Twice the difference of X and 2, is -22 means when we

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∴ Twice the difference of X and 2 =  -22

∴ 2(x - 2) = -22

* The mathematical symbols of Twice the difference of X and 2,

  is -22 is 2(x - 2) = -22

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3 years ago
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[d]

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