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student
oh
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student
ok thank you
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student
you the best
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student
I wish u get payment
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student
because u good at it
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volunteer
because the 4s will be the highest peak and 2s before peak is : 4-2 s and 2s after peak is 4+2 = 6s
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volunteer
Thank you for your compliment
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student
bye
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volunteer
thank you for being a grateful student
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volunteer
bye
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volunteer
hope you have a great day
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student
gtg and do work
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volunteer
alright
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student
thank u again
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student
bye
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volunteer
bye bye
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volunteer
Hello! How can I help?
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student
Hi I was wondeirng if we could use ourmics for solving my study guide?
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volunteer
sure
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student
Hi, can you hear me?
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volunteer
Yes, ma'am. Flu
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student
Hi
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student
So
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volunteer
Oh.
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student
um, I'm not really understanding my, I'm in preche right now, but I didn't really understand this unit, um, I was hoping that we could go over my study guide together and like try to like maybe see if we can explain like how to do, like how to answer like the questions basically, if that's OK.
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volunteer
Of course
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volunteer
OK, this shouldn't be that hard. Don't worry about it.
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student
Thank you
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volunteer
Of course. OK, so the first thing that you need to learn, at least when it comes to graphs is
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volunteer
what is given
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volunteer
What were the main characteristics of it. So, a graph, if it looks like it's just a line.
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volunteer
the equation corresponding to that graph has to have the power of one.
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volunteer
in the X
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student
OK
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volunteer
OK? We're only doing 2 Ds, so on the X, the power should be just one.
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volunteer
Out of A, B, C, and D, how many graphs look like a line?
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student
Um, like a straight line or like.
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volunteer
Yeah.
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volunteer
For the diagonal straight, just a line.
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student
uh, A, B, and C
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volunteer
A, B, and C
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volunteer
If if you zoom in, there's there's like a little bit of a curve at the start for B, right?
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student
Oh yeah, so just A and C.
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volunteer
Just ANC, yeah
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volunteer
So
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volunteer
ANC looked like lunch
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student
Mhm.
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volunteer
Out of your options
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volunteer
does X have?
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volunteer
OK, you don't know, you, you know what an exponent is, right?
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student
Yes
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volunteer
Yeah, so all of, all out of all of them.
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volunteer
there are only two options that have
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volunteer
X's where the highest power is one.
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volunteer
Could you tell me which one of those it is? A, B, C, and D
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student
The ones that have exponents.
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volunteer
Yeah, the exponent for the X has to be one. Which one of those have one?
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student
uh
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student
A
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volunteer
The, OK, you said this one, right? Hold on one second.
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volunteer
So A is why equals x² + 5.
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student
Mhm
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volunteer
What is the power on the X?
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student
2
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volunteer
That's not one, is it
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student
No
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volunteer
Yeah, it's OK. Don't worry about it. So, that we just keep looking for the other ones. Um, let's check, check the. So a square root is essentially just saying the power.
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volunteer
is 1/2.
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volunteer
So I can write this as X minus 5 to the power of 1/2.
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volunteer
So even though I can't really simplify this.
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volunteer
At X, the power of the X has to be one half.
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volunteer
OK?
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student
OK
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volunteer
Yeah, the power of the X has to be one F.
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student
Mm
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volunteer
This is not one either. I need it to be exactly one.
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student
OK.
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volunteer
Um, let's do m-8X + 5.
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volunteer
What is a power over here
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student
1
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volunteer
It's one. If you can't see it, it's one because we don't have to write the power one every time. It's like saying one of the power of one, instead of just saying one, you know it's stupid.
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volunteer
So
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student
OK
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volunteer
this one has a power of one.
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volunteer
Does D have a power one
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student
Yeah
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volunteer
Yeah, perfect. So we have, we found the two lines basically.
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volunteer
Line, linear, power of one. Just remember that, straight off your head, OK?
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student
OK
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volunteer
OK. One more thing that you need to know.
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volunteer
There is this thing called domain and range.
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student
OK
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student
Mhm
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volunteer
It would look like, hold on, and to say this is 0.
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volunteer
Let me go on real quick
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volunteer
This would look like this.
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volunteer
and this
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volunteer
stretching from negative infinity all the way to positive infinity.
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volunteer
It would look exactly like this
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volunteer
However
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