anonymous
  • anonymous
Please Help with a Limit Problem . Will Give a Medal
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
Loser66
  • Loser66
Where are you stuck?
anonymous
  • anonymous
I dont know how to do the problem. I dont know where to start. Its a little confusing

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More answers

Loser66
  • Loser66
ok, tell me what does \(1^-\) mean?
anonymous
  • anonymous
negative 1?
Loser66
  • Loser66
nope, negative 1 is -1, not \(1^-\) Look up at your note. It is easy. I can tell you what it means but I want YOU to look it up to master the concept. Please, do it.
anonymous
  • anonymous
x approaching 1-
Loser66
  • Loser66
x approaches 1 from the left
Loser66
  • Loser66
|dw:1435156237044:dw|
Loser66
  • Loser66
now, to your problem, if x <1 , f(x) =??
anonymous
  • anonymous
4-x
Loser66
  • Loser66
yup, hence lim (4-x) = 4-1 =??
anonymous
  • anonymous
you lost me
Loser66
  • Loser66
why? you don't know 4-1= ?
anonymous
  • anonymous
oh 3 so you just plug it in
Loser66
  • Loser66
|dw:1435156421860:dw|
Loser66
  • Loser66
|dw:1435156460961:dw|
Loser66
  • Loser66
that is part a) ok? do the same with part b c is easy, just 2, nothing to do with c
anonymous
  • anonymous
is the answer 1
Loser66
  • Loser66
b)? how?
Loser66
  • Loser66
for x approach 1 from the right, that is x >1, f(x) =??
anonymous
  • anonymous
x^2+2
Loser66
  • Loser66
hence \(lim_{x\rightarrow 1^+}(x^2+2 )=1^2+2=?\)
anonymous
  • anonymous
3
Loser66
  • Loser66
dat sit
anonymous
  • anonymous
so for all the x's you would just plug in 1 so a.3 b.3 c.2
Loser66
  • Loser66
yup
anonymous
  • anonymous
Thank You.
Loser66
  • Loser66
np

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