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Alex
2 years ago
9

Giving 25 points for whoever answers it with a complete explanation .. ASAP

Mathematics
2 answers:
MAXImum [283]2 years ago
8 0
No, it is not a function.
Since all the lines have been drawn in the grid line do not have any connection between them even a point in common.
I hope this has been useful for you.
FrozenT [24]2 years ago
7 0
For a relation to be a function, each x-coordinate can appear only once.
If you have more than one ordered pair with the same x-coordinate, the relation is not a function.
One way to determine whether or not it is a function is to use the vertical line test.
Imagine a vertical line moving from left to right. If the vertical line intersects at most one point of the graph in any position it is, the graph is a function.

As the vertical line goes from x = -4 to just before x = -1, it only intersects on point at a time. At x = -1, y = 1, the solid dot, so at x = -1, the vertical line also only intersects one point. Then the vertical line goes from x = -1 to just left of x = 1. Again, it passes the vertical line. At x = 1, y is not equal to 1 or to 2 since those points have open dots. At x = 1, y is only -2. The vertical line only intersects one point at x = 1. From x = 1 to past x = 4, the relation also passes the vertical line test.

The graph of the function passes the vertical line test everywhere, so the relation in the graph is a function.
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What is the center of the circle? Please show steps!
Vika [28.1K]

Answer:

<h2>A. (0, 4)</h2>

Step-by-step explanation:

The equation of a circle:

(x-h)^2+(y-k)^2=r^2

(h, k) - center

r - radius

We have the equation:

x^2+(y-4)^2=25\\\\(x-0)^2+(y-4)^2=5^2

h = 0, k = 4, r = 5

7 0
3 years ago
An estimated regression equation that was fit to estimate ductility in steel using its carbon content was found to be significan
AnnZ [28]

Answer:

At a level of 95%, it is expected that the interval [0.45; 11.59] contains the value of the ductility in steel when its carbon content is 0.5%.

Step-by-step explanation:

Hello!

Considering the dependent variable:

Y: Ductility in steel.

And the independent variable:

X: Carbon content of the steel.

The linear regression was estimated and a prediction interval was calculated.

The prediction interval is calculated to predict a value that the variable Y (response variable) can take for a given value of the variable X (predictor variable) in the definition range of the linear regression line. Symbolically [Y/X=x_{0}]

In this case 95% prediction interval for Y/X=0.5

At a level of 95%, it is expected that the interval [0.45; 11.59] contains the value of the ductility in steel when its carbon content is 0.5%.

I hope it helps!

6 0
3 years ago
GEOMETRY!! Will give brainliest
Goryan [66]
Whats the question?...
4 0
2 years ago
aliyah had some candy to give her four children. she first tooke ten pieces for herself and then evenly divided the rest among h
DIA [1.3K]

<span><span><span>Let the original number be "x".
(x-10)/4 = 2

x-10 = 8
x = 18 (original number of pieces of candy.)</span></span></span>
6 0
3 years ago
-1 + 4x=3x +3<br> Solve for x ?
docker41 [41]

Answer:

x = 4

Step-by-step explanation:

1. Regroup terms.

4x  - 1 = 3x + 3

2. Add 1 to both sides.

4x = 3x + 3 + 1

3. Simplify 3x + 3 + 1 to 3x + 4.

4x = 3x + 4

4. Subtrect 3x from both sides.

4x - 3x = 4

5. Simplify 4x - 3x to x.

x = 4

Therefor, the answer is, x = 4.

5 0
3 years ago
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