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ICE Princess25 [194]
3 years ago
7

Does this graph show a function?

Mathematics
2 answers:
MaRussiya [10]3 years ago
7 0

Answer:

A. No, the graph fails the vertical line test.

Step-by-step explanation:

First let's see what a vertical test is.

It is a test used to find the whether the given graph is a function or not.

We draw a vertical line on the given graph, if the line cuts the graph at only one point of the graph, then it is a function.

If the line cuts the graph at more than one point, then it is not a function.

So, if we draw a vertical line on the given circle, the vertical line cuts the graph at two points of the graph.

Therefore, it is not a function and it is fails the vertical test.

Answer is A. No, the graph fails the vertical line test.

Herewith I have attached the figure.

Romashka [77]3 years ago
6 0
A, no because it fails the vertical line test
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Answer:

i guess you are trying to find out what the "some blue seats are". Lets show this as x.  So you are trying to find x. Now 88 seats in the theater divided by the 4 identical sections. that would give you 22. Now like you said 14 of the seats are red..That means that we have to find out what the blue is or x. 22-14 is 8. That means that there are 8 seats left that are not red...That means that 8 seats in the theater are blue.

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3 years ago
the length of the shadow of a pole on level ground increases by 90m when the angle of elevation of the sun changes from 58 degre
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Answer:

The height of the pole is 167 m

Step-by-step explanation:

The given parameters are;

Increase  in the length of the shadow = 90 m

Initial angle of elevation of the Sun = 58°

Final angle of elevation of the Sun = 36°

We have a triangle formed by the change in the length of the shadow and the rays from the two angle of elevation to the top of the pole giving an angle 22° opposite to the increase  in the length of the shadow  

We have by sin rule;

90/(sin (22°)  = (Initial ray from the top of the pole to the end of the shadow's length)/(sin(122°)

Let the initial ray from the top of the pole to the end of the shadow's length = l₁

90/(sin (22°)  = l₁/(sin(122°)

l₁ = 90/(sin (22°) ×(sin(122°) = 283.3 m

Therefore;

The height of the pole = 283.3 m × sin(36°) = 166.52 m

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The measure represents the standard deviation of the sample means and is used in place of the population standard deviation when the population parameters are unknown is; t-test.

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Read more on t-test;

brainly.com/question/6501190

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The answer is 15x + 15

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