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horrorfan [7]
3 years ago
9

Pls help i will give brainly

Mathematics
1 answer:
anzhelika [568]3 years ago
3 0

So I am pretty sure you need to combine the shapes or you just need to make each of them 3d

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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.

7 0
3 years ago
How can I solve this problem
Alex Ar [27]
36 and 49

6*6= 36
7*7= 49
4 0
3 years ago
Read 2 more answers
What is the solution to the system of equations?<br><br> y=1<br> y=-5x+3
In-s [12.5K]

Answer:

y=1

x=2/5

Step-by-step explanation:

1=-5x+3

-2=-5x

x=2/5

7 0
3 years ago
Read 2 more answers
A (5, 3), B (2, 1), and C (-2, 4) are the coordinates of a triangle's vertices. If the triangle is reflected over the x -axis, w
Ivahew [28]

Answer:

3 not the right anwser

Step-by-step explanation:


8 0
3 years ago
Explain step by step please!
adelina 88 [10]

Answer:

Each book weighs 2.5 pounds.

Step-by-step explanation:

75/2.5 is 30.  Or you could also get the answer by 30* 2.5 which it would be 75. So, therefor, the answer is 2.5.

5 0
3 years ago
Read 2 more answers
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