catmg

To inverse a function, you can switch x and y. 

f(0) = -1

f(4) = 0

f(9) = 3

f(3) = 9

Can you find f(f(9))?

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Look, this website is FREE, the people here aren't gaining anything from helping you and they aren't expected to. 

The people who are answering these questions are insanely busy. 

Many are in school or have jobs. 

They are only doing it because they're kind people who want to help others learn. 

One of the reasons people might not help is because they can't acess the question or can't solve it. 

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Hello Talia. :))

I'm sorry, I think you got 2625/25 wrong. 

25*25 = 625. 

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2625/25 is the number of times 25 goes into 2,625. 

There are many ways you can do this, you can use a calc or long division. 

But long division isn't a topic I can rlly explain through text, so there's a video on it in khan academy. 

After doing so, you should get the answer 105

I hope this helped. :))

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You're welcome. :))

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Don't worry, I'm so bad with tech too. 

My friends always have to teach me by sending screenshots with arrows drawn on where to click. 

*I'm gonna start by assuming that no students got exactly 9 hours of sleep that night

So 2/5 of the students get more than 9 hours of sleep each night. 

That would mean that 3/5 of the students got less than 9 hours of sleep each night. 

If 3/5 of the students is 45, what's the total amount of students?

3/5x = 45

x = 45*5/3 = 75. 

So our answer is 75. :))

I hope this helped. 

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it says the file has been deleted. :((

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I htink the file has been deleted. 

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Change sharing acess to everyone. 

Or you can just post it here. 

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If the ratio of Jay's crayons to Hunter's crayons is 1/4. 

That would make Jay's crayons plus Hunter's crayons is (1+1/4) of Hunter's crayons 

Hunter has 44 crayons, so they both have 44*(5/4) = 55. 

I hope this helped. :)))

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