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Whitepunk [10]
3 years ago
14

Find the domain and range of the relation, and determine whether it is a function.

Mathematics
1 answer:
mina [271]3 years ago
7 0
The domain is all the x values so {2,-4, 1, 2, -1} 
The range is all the y values so    {1, 5, 7, -3, 2}

Yes, it is a function because each item in the domain matches one item in the ranges. 
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stiv31 [10]

5*2x=10x

5*7=35

the answer is 10x+35

3 0
3 years ago
Sy= 2x² - 6x+8<br> y=-2|x-1| +9<br> Solve plz
vampirchik [111]

Answer;

S = 2 ( ( − y + 11 2 , y − 7 2 ) 2 + 4 − 3 ( − y + 11 2 , y − 7 2 ) ) y   x = − y 2 + 11 2 x = y 2 − 7 2

Step-by-step explanation:

divide each term by y then simplify

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2 years ago
i dont know why i am in algebra when I dont understand it, is there anyone out there willing to help me understand it?
sp2606 [1]

Answer:

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Step-by-step explanation:

4 0
2 years ago
Read 2 more answers
If two marbles are randomly selected from the bag without replacement, what is the probability that the first marble is blue?
joja [24]

Answer:1,0.5, or 0 it depends

Explanation:

The probability that one event occurred depends on the total of random event, being 1 the most of the probabilities

If the two marbles are blue the probability to select a marble blue is 1

If one of the marbles is blue and the other marble is of any color the probability to select the blue marbles is:

P=1 - 1/2=1/2

Being 1/2 or 0.5 the answer

If any of the marbles are blue then the probabilities are 0

8 0
3 years ago
Plzzz I Need help ASAPPPPPPP
Hatshy [7]

Answer:

1, 3, and 4 would be correct answers

Step-by-step explanation:

1.) <u>-x - 2x - 3y - 2y + 1 + 1 = -3x -5y + 2</u>

2.) -3x + 2y + 3y + 2 = -3x + 5y + 2

3.) <u>-3x - y - y - y - y - y + 2 = -3x - 5y + 2</u>

4.) <u>-x - x - x - y - y - y - y - y + 1 + 1 = -3x - 5y + 2</u>

5.) x + x + x + y + y + y + y + y + 1 + 1 = 3x + 5y + 2

Hope this helps!

5 0
2 years ago
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