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sergey [27]
3 years ago
11

You guys, I seriously need help with this! I have been working on this for like 5 hours and I still can't understand it! Please

put an explanation!

Mathematics
1 answer:
Alina [70]3 years ago
4 0

Step-by-step explanation:

Q1. E

Q2. A

Q3. H

sorry if I'm wrong anyways

Q4. C

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Please help asap. it’s 2 am and idk how to do this
lesya692 [45]

This is an example of a piecewise defined function. It means that the function has not a unique formula to represent it, but it depends on "where" you want to compute it.

So, if you choose any input x, you have two alternative:

  • If x \neq 3 (i.e., if you've chosen any input that is not 3), the output will be the opposite of the input you've chosen (y=-x)
  • If x=3, the ouput will be -1.

So, let's forget about x=3 for a moment. For any input x you choose, the answer is -x. The graph of this function is the bisector of the second and fourth quadrant.

Now remember that there is our special case: you have to "carve a hole" in our line, at x=3, and assing to this point the value -1, instead of what we would expect, i.e. -3.

So, the graph of this function is the line y=-x, except for one point (x=3), where we reassign the value to be -1.

5 0
3 years ago
8select all correct answers what is 9,150, 000, 000, 000, 000, 000 Express in scientific notation
dangina [55]
9,150,000,000,000,000,000

the numbers should be

9.15\times10^{18}

or

9.15E18

because you move the point 18 places to obtain 9.15(the dot is initially at the end of the number)

7 0
1 year ago
Which investment would make you the most interest? Explain.
IRISSAK [1]
B is the answer dear
7 0
3 years ago
What is the answer for x2+5x-3y
Zarrin [17]

Answer:

6

Step-by-step explanation:

6 0
3 years ago
Item 7 Complete the statement. Round to the nearest hundredth if necessary. 64 lb ≈ kg
Marina CMI [18]

Answer:

64 lb = 29.029912 kg

Rounded to the nearest hundredth is 29.03 kg

hope this helps!

7 0
3 years ago
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