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lesya692 [45]
3 years ago
5

Using the graph of the quadratic function, identify the domain

Mathematics
1 answer:
galina1969 [7]3 years ago
3 0

Answer: Choice B)  -infinity < x < infinity

==========================================================

Explanation:

The parabola goes on forever to the left and to the right. We can plug in any x value without worrying about something as a division by zero error. So any real number will work.

Writing -infinity < x < infinity refers to the entire number line, which is the set of all real numbers.

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If you roll a 6-sided die 6 times, what is the best prediction possible for the number of times you will roll a five?
neonofarm [45]
1/36 percent chance that you will roll a 5.
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Bill spent less than 26 dollars on a magazine and 5 composition books. the magazine cost 4 dollars.
padilas [110]
Well, he could of spent $24
And we know he spent $4 on the magazine So subtract $4 from $24 to get $20
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7 0
4 years ago
Circle the two equations that represent the linear function graphed below.
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3 years ago
Simplify (3x2 − 2) + (5x2 + 5x − 1). (2 points)
olga55 [171]

Answer:

D

Step-by-step explanation:

well the anser has to equal 9 if you solved the question correctly BUT the other questions have to equal 9 so the first one is like this

(3*2-2)+(5*2+5*-1)



= (6-2)+(5*2+5*-1)



= (4)+(5*2+5*-1)



= 4+(5*2+5*-1)



= 4+(10+5*-1)



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= 4+(5)



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= 9

Now the answers A is not it because

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= 16+5*-3



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= 16-15



= 1

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8*2+5*-1



= 16+5*-1



= 16+-5



= 16-5



= 11

And C isnt it because

2*2+5*-3



= 4+5*-3



= 4+-15



= 4-15



= -11

So that leaves D and this is how it is correct

= 8*2+7*-1



= 16+7*-1



= 16+-7



= 16-7



= 9


Hope this helps! Sorry I took so long

8 0
3 years ago
The value of y varies directly with x, when y = 36, and x = 9. What is the equation for the relationship?
trapecia [35]

Answer:

4x = y

Step-by-step explanation:

If y is 36 and x is 9, you know 9 x 4 = 36. So it would be 4x = y

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