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student
Okay
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volunteer
how do you want to scale it?
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volunteer
every 5 seconds?
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student
sure
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volunteer
okay so for that its basically like making a table!
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volunteer
we will be using times from 0 to 30
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volunteer
plug those into the v(t) equation and plot those points
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volunteer
do you need me to go over how to do that?
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student
okayyy so like the first ones just graphing
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volunteer
yes
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student
umm sure u can
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volunteer
okay so for exmaple lets plug in 5
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volunteer
t = 5
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volunteer
you put that into v(t) so in your calculator you would input 92-15sin(5/3)
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volunteer
and then whatever answer you get you would plot that on your y
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volunteer
does that kind of make sense?
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volunteer
you would repeat for every time value
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student
okay yes
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student
thank uuuu
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volunteer
of course!
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volunteer
do you need me to explain c and d?
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student
i think i should do good on the test now
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student
uh nooo
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volunteer
okay good luck on your test and thank you for letting me tutor!
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student
Alex, and ofcccc:)
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[ { "pii_type": "PERSON", "surrogate": "Alex", "start": 0, "end": 4 } ]
volunteer
Hi hi
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student
Hii! How are you doing?
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volunteer
I'm good. Day was good. How was yours?
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student
It was fine. sorry, My network was disconnected
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student
gimme a min
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volunteer
ok
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student
im back!
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volunteer
Hooray!
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student
yay!
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volunteer
pizza party!!
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volunteer
lol i wish
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student
I had some!
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volunteer
Yay!
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student
how should we start?
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volunteer
We can go over the standard derivatives and then do problems
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volunteer
Best way to get understanding
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volunteer
Were you able to look over polynomial and trig derivatives?
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volunteer
We also need to address the chain rule
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student
yes, I look over the cheat sheet. I memorized the trig derivatives
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volunteer
awesome
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student
You can test.
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student
do i open the textbook?
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volunteer
IYKYK
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volunteer
can you solve these
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student
yes!
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student
done! it was easy
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volunteer
good
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student
oh sorry, I didn't notice you were writting.
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volunteer
its ok
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volunteer
i'm confusing myself
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student
how?
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student
where is it confusing?
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volunteer
I can do it but I forgot the notation for it
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student
i think you should have take dg
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volunteer
no its dx
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volunteer
that way dg cancels
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volunteer
does that make sense
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student
yes, It does.
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volunteer
you have an imbedded function
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student
this dg under df is not correct.
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student
it should be dx
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student
ohh, I got it what you did. It is right.
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volunteer
thanks for checking me
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student
shouldn't it be like this, like you explained earier
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volunteer
well lets confirm it
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volunteer
using cos2x, we can use product rule
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student
okay
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student
there should be a "+" in between
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volunteer
no
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student
oh ok! right, i confused it with product rule
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volunteer
can you use product rule to solve the second problem
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volunteer
example*
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student
yes
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volunteer
ok
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student
is that right?
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volunteer
yes
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student
I didn't know i had to substitute y later on.
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volunteer
its ok
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volunteer
sometimes it isn't an easy thing to substitute y in and its easier just to keep y
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student
yeah, depends upon question.
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volunteer
you can see how it would be easier to do x^y and y=tan(x)^2 as just x^y first
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student
yes, that's right
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student
so, we first differentiate f with respect to dg. then differentiate g respect to x?
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volunteer
yes
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student
ok, gimme a min
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student
in xy, who is f and g?
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volunteer
I changed it
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student
ok
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volunteer
Though I seem to have done derivative wrong as I get the wrong answer
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student
where did you get wrong answer?
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volunteer
I got 2x^2 up top
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volunteer
didn't make sense to me
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student
ohh, gimme a min
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student
how did you get 2x and x?
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volunteer
dy/dx=2x, x is a constant in df/dy
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