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RideAnS [48]
3 years ago
15

PLEASE HELP USING THE GRAPH BELOW SELECT ALL STATEMENTS THAT ARE TRUE

Mathematics
2 answers:
Harlamova29_29 [7]3 years ago
5 0
A definitely has to be one because it's a fact and you need to know what it looks like. B isn't true because the greatest integer function rounds down values. C is also not correct because a one-to-one graph has one x-value for every y-value. This one doesn't. D has to be true because f[0] = 0 because the Greatest Integer Function requires it to be. And E is also correct because that's in the definition of a Greatest Integer Function. So, your answers are A, D and E.
Tju [1.3M]3 years ago
3 0

Answer: The true options are,

A. This is the graph of the greatest integer function ,

D. f(0)=0

E. f(1.4)=1

Step-by-step explanation:

By the given graph,

f(x) = 0  for 0 ≤ x < 1

f(x) = 1 for 1 ≤ x < 2,

f(x) = 2 for 2 ≤ x < 3,

f(x) = 3 for 3 ≤ x < 4,

.....so, on ....

That is, function f(x) gives integer value for an interval of values,

Since, For all real numbers, x, the greatest integer function gives the largest integer less than or equal to x.

Thus, given function f(x) is greatest integer function.

Also, greatest integer function is a many one function,

So, f(x) is not one to one,

Now, f(x) = 0  for 0 ≤ x < 1, f(x) = 1 for 1 ≤ x < 2

⇒ f(0) = 0 and f(1.4) = 1,

Therefore, option A, E and D are correct.

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The volume of a right cylinder is V = πr2h. If we have an oblique cylinder, like in the figure, what is the volume of a cross-se
olchik [2.2K]
Since you did not attach any picture we cannot say for sure what is the correct answer, but we can discuss the options in order to find the most probable correct answer.

First of all, according to the Cavalieri's principle, an oblique cylinder has the same volume as a right cylinder with the same base surface area and same height.
A cross-section of an oblique cylinder will be a small right cylinder with the same base surface area and a height as small as possible.

I guess the oblique cylinder has height h and it is divided into many (probably 10) cross-sections.

Option A: <span>πr2h
This is exactly the volume of the right cylinder, therefore, unless you are given a cross-section of height h (which would be too easy), this won't be the correct answer.

Option B: </span><span>4πr2h
This is 4 times the right cylinder. Again, here the height of the cross-section should</span> be 4h, but it doesn't sound like a possible data (too easy again).

Option C: <span>1 10 πr2h
Here comes a n issue with the notation: I think the right number you meant to write is (1/10)</span>·πr2h and not 110·<span>πr2h.
If I am right, this means that your oblique cylinder of height h is divided into 10 cross-sections, and therefore the volume of each of these cross-sections will be a tenth of the volume of the oblique cylinder, which means </span>1/10·<span>πr2h.

Option D: </span><span>1 2 πr2h
Here, we have the same notation issue as before. I think you meant (1/2)</span>·<span>πr2h.
Here, your oblique cylinder height h should be divided into only 2 cross-sections. Now, we said the cross-section's height should be the smallest as possible, so an oblique cylinder divided only into two pieces doesn't sound good.

Therefore, the most probable correct answer will be C) </span>(1/10)·<span>πr2h</span>
8 0
3 years ago
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8 0
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Slide the green dot Use the number line to plot the numbers. Then arrange
lbvjy [14]

I don't see any green dot, sorry.

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Help me pleaseeeeeeeeee
gayaneshka [121]
THE ANSWER IS A.....
7 0
3 years ago
Thanks if you help.....
marissa [1.9K]

Answer:

I'm guessing it's D.

Step-by-step explanation:

Sorry if wrong :> Hope i helped! Have a awesome day!!! You're a great hooman ^_^ Please mark brainliest !!

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