anonymous
  • anonymous
PLEASE HELP!!! I have a couple of problems that I don't understand.
Mathematics
  • Stacey Warren - Expert brainly.com
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SOLVED
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chestercat
  • chestercat
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anonymous
  • anonymous
1 Attachment
anonymous
  • anonymous
@mathmath333 @Pi123
Pi123
  • Pi123
Hi I am sorry but I am not very good at math and don't know how to help you with this problem. The way that it is presented is kind of confusing to be honest. But I wish you the best of luck with it, have a good rest of your day. :)

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anonymous
  • anonymous
so what is the problem?
anonymous
  • anonymous
its the document I have attached. I don't know another way to put the problem on here other than that
anonymous
  • anonymous
Well, the limit is 45, so are you asking for the limit or are you asking for something else?
anonymous
  • anonymous
the limit, I knew the answer to that one I just don't know how to work it out
anonymous
  • anonymous
ahh, just plug 3 into x and you get your limit.
anonymous
  • anonymous
limits are like substitutions in some ways. However, some limits are a bit more special.
anonymous
  • anonymous
for example 1/x-5 when x approaches 5. If it approached from the right side, it will go to infinite, if it approached from the left side, it will go to negative infinite.
anonymous
  • anonymous
Thank you so much!! Can you please help me with 2 more.
anonymous
  • anonymous
yea, sure I got time.
anonymous
  • anonymous
1.lim x ->4 1/x-3 2.lim x ->0 sin x^2/x
anonymous
  • anonymous
for the first question, is it 1/(x-3) or is it (1/x)-3
anonymous
  • anonymous
1/(x-3)
anonymous
  • anonymous
ok, plug in x=4, and your limit should come out.
anonymous
  • anonymous
the answer is 1
anonymous
  • anonymous
and I somehow got zero for the second one.
anonymous
  • anonymous
hm.... wait for a sec
anonymous
  • anonymous
i got 2. Did you use l'hospital's rule?
anonymous
  • anonymous
l'hopital*
anonymous
  • anonymous
ok im lost what is that
anonymous
  • anonymous
basically, when the limit (the number you plug in) will result in 0/0 or infinite/infinite, the equation would equate to the derivative of the top and bottom. I'll get you a vid to show you how it works.
anonymous
  • anonymous
https://www.youtube.com/watch?v=Sp0G-VggAoU&ab_channel=patrickJMT
anonymous
  • anonymous
but on the video he got 1 as the answer
anonymous
  • anonymous
@Aureyliant
anonymous
  • anonymous
Nvm I just got it. Thank you so much

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