anonymous
  • anonymous
help: calculating the limit and not by sketching the graph.
Mathematics
  • Stacey Warren - Expert brainly.com
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SOLVED
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katieb
  • katieb
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anonymous
  • anonymous
1 Attachment
anonymous
  • anonymous
THe last one is 1000
anonymous
  • anonymous
i know that.

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anonymous
  • anonymous
that wasn't my question.
anonymous
  • anonymous
the limit does not exist
anonymous
  • anonymous
right. so can any one explain to me and show me how they calculated.
anonymous
  • anonymous
i don't need the answer. i need an explanation. understanding.
anonymous
  • anonymous
Limits of intersections of piecewise functions don't exist. Have a good day.
anonymous
  • anonymous
just take a look at the equation if you were below -2 I mean imagine -2.1the answer would be infinitive and when the number is greater than -2 imagine -1.9 the answer is near 0 so because the left and right limits are not the same , we conclude that the limit does not exist
anonymous
  • anonymous
|dw:1375039969004:dw|
anonymous
  • anonymous
now i see the 1st answer. but not the 2nd. which is it zero?
anonymous
  • anonymous
how did you calculate.
anonymous
  • anonymous
NOTICE:CALCULATE
anonymous
  • anonymous
i understand from looking at the graph
anonymous
  • anonymous
but i don't understand how you used calculation to find the answer.
agent0smith
  • agent0smith
For the first one, the left hand limit at -2: plug in something like -2.001 into the function -2/(x+2) and see what the result is. Then make x even closer to -2, like -2.000001 then -2.00000000001 and see if you notice a pattern. For the right hand limit, just plug x=-2 into 3x+6 and get the result.
anonymous
  • anonymous
if they say:CALCULATE. then there must be some sort of wy, not only by sketching.
agent0smith
  • agent0smith
^sometimes you have to do it numerically. CALCULATE can mean... use numerical methods.
anonymous
  • anonymous
when you put -2 instead of x in left hand limit you will see the answer is a number in num and zero in dem that means infinit
anonymous
  • anonymous
oh ok
anonymous
  • anonymous
to calculate it you just have to find the left hand side and the right hand side limit and you should show they are not the same

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