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Ahat [919]
2 years ago
14

35-4-2-13 O C5 ( 42) 13 o D( 64) -2-13

Mathematics
2 answers:
andre [41]2 years ago
8 0
Hm I think it’s D to
Radda [10]2 years ago
7 0
Hmmm it’s D I think?
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Irina predicted that she would sell 75 books, but she actually sold 95 books. Which expression would find the percent error?
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Answer:

d

Step-by-step explanation:

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3 years ago
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PLEASE HELP THANK YOU!!!
Paul [167]

Answer:

Only C is a function

Step-by-step explanation:

To test whether a graph is a function you use the vertical line test.

If you can place a vertical line anywhere on the plane (in the domain of the "function" to be tested) and it intersects the curve at more than one point, the curve is not a function.

We see with A, wherever we put the vertical line it intersects twice.

With B, it intersects infinitely many times.

C is a function because wherever we put the vertical line, it only intersects once.

D is a function because it intersects twice providing we do not put it on the "tip" of the parabola.

The mathematical reasoning behind this is that a function must be well-defined, that is it must send every x-value to one specific y-value. There can be no confusion about where the function's input is going. If you look at graph B and I ask you what is f(3)? Is it 1? 2? 3? ... Who knows, it's not well-defined and so it's not a function. However if I ask you about C, whichever input value for x I give you, you can tell me to which y-value it gets mapped/sent to.

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3 years ago
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Answer:

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3 2/1=7/2 but you have to flip it

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Leni [432]

Answer:

26

hope this heps and pls mark brainliest :))

Step-by-step explanation:

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