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AP Calculus: Problem Explanation Limits Drill 1, Problem 1. Which of the following are true about the pictured function?
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AP Calculus 1.4 Limits 231 Views
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Description:
AP Calculus 1.4 Limits. Given the limit, which of the following are true?
Transcript
- 00:00
Thank you We sneak here's your shmoop too sure brought
- 00:05
to you by x values which are of course the
- 00:07
values you store in your x files Somebody's listening art
- 00:13
If the limit as x approaches a of half of
- 00:17
acts people's l then which of the following are true
Full Transcript
- 00:21
Okay here the potential answers Ah this is better This
- 00:26
problem is purely conceptual so we won't have to do
- 00:28
any calculations Thank goodness we just need to determine which
- 00:31
combination of the three given statements is true Well if
- 00:36
we remember the definition of a limit we can easily
- 00:38
tell that statements one into our true function on lee
- 00:41
has a limit at a value A both the left
- 00:44
and right limits are the same In other words both
- 00:47
sides of the function have to approach the same values
- 00:50
Respect stand Since if i didn't we wouldn't have a
- 00:53
single limit either way at least we're not limitless Fine
- 00:57
Now that we know the first two statements are true
- 01:00
Will display statement three because we can statement three says
- 01:04
that value at a must be equal to the limit
- 01:07
of the function as x approaches a to disprove this
- 01:10
We just need to think of a case where this
- 01:12
isn't true Well one example where the function f of
- 01:16
x is not continuous at a but has a limit
- 01:20
in this case f of a one point five but
- 01:24
its limit as x approaches a is one They're different
- 01:28
So statement Three False Great Now that we know statement
- 01:31
three falls we can be sure answers The on ly
- 01:34
statements wanted were true you It was certainly a giant 00:01:37.051 --> [endTime] leap for math kind
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