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volunteer
I believe you can do this
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student
(1, 2
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student
or
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student
continuous is that it keeps goign right
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volunteer
You would be everywhere that isn’t discontinuous
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student
(-infinity, 1]
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volunteer
Single -
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volunteer
So it would be ( - infinity, -1) U, infinity
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student
why -1
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volunteer
Good :) but remember not to include -1
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volunteer
Oh sorry, just 1
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student
ok and why is it not bracket
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student
i thought a closed dot meant breacket
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volunteer
Because it can’t be continuous at -1, because it is a jump discontinuity there
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student
then the closed dot is for intrevals only?
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volunteer
Because those brackets mean it’s included
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volunteer
But -1 can’t be included because it’s discontinuous there
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volunteer
2 is right though :)
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volunteer
3 is close
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student
what is it
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student
oh i see
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volunteer
But there’s also a jump discontinuity at -1
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volunteer
Good :)
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volunteer
I think you should look at 3 again
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volunteer
Just name the X coordinates where the discontinuities are
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volunteer
Okay
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volunteer
*to start
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volunteer
Ok let me stop you there for a sec
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volunteer
You don’t need to stop it at 0
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volunteer
You can just go from (-1, 2)
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student
why
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volunteer
Because it’s continuous throughout all of that
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volunteer
See how there is no break at 0?
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volunteer
I would make it parenthesis at 2
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volunteer
Because it’s discontinued at 2
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volunteer
You can probably put the brackets at the end though
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student
bracket where?
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volunteer
You did -1, 2]
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student
nah
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volunteer
Good :)
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student
wait
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student
is it -3, -1
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student
or -infinity
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student
, -1
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volunteer
-3
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volunteer
Because that’s where it starts :)
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volunteer
But it can be [-3
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volunteer
Cause it is continuous there
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student
i thought u cant have brackets
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student
on continous
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volunteer
You can :) at least I think you can, you just need parenthesis where it is discontinousv
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volunteer
But at the start it should still be continuous
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volunteer
And then I would make it 4] not infinity just because it doesn’t show an arrow
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volunteer
At the end
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student
hmm
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volunteer
Very good :)
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student
so according to that logic
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student
why for 1.
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student
is it not (-infinity , 1]
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volunteer
Because for 1 it’s discontinuous, if we included 1 it would be saying it’s continuous at 1
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student
hhmm
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student
i see
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volunteer
Yes we wanna exclude 1 :)
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volunteer
Same logic for 2
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student
Hey i think im doing hw for tmrw
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[ { "pii_type": "PERSON", "surrogate": "Hey", "start": 0, "end": 3 } ]
volunteer
Ok :)
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student
i think i did the hw i was supposed to
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volunteer
Good :)
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student
cause idk types of discontinuity
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volunteer
If you need any more help I normally do more 2-4 on week days I had a good time helping you :)
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student
Thank you very much!
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volunteer
Thank you :)
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volunteer
hello
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volunteer
i see the problem on the board
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student
Casey
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[ { "pii_type": "PERSON", "surrogate": "Casey", "start": 0, "end": 5 } ]
student
im on 1
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volunteer
alright
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volunteer
do you need help wiht it?
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volunteer
I'm assuming yes
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student
yes
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student
how can i determine what type of trandformation it is?
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volunteer
alright I get what you mean
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volunteer
let me first ask do you know
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volunteer
what vertical and horizantal stretch mean
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student
nope
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volunteer
ok
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volunteer
lets start with that
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volunteer
ok horizantal stretch
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volunteer
means
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volunteer
let me draw a graph realquick
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volunteer
do you see what I have
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student
yeah
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student
is that at the origin
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volunteer
a horizantal stretch would look like the red line let me show you
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volunteer
do you see how
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student
it moves down?
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volunteer
wait let me redraw
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volunteer
it's still at the orgin
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volunteer
but its less steep
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volunteer
does that kind of make sense
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