Review Quiz #8 - MCCCporterr/course/146/documents/146w9.pdf · Quiz 8 Reveiw Review for Midterm...
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Agenda
Quiz 8 Reveiw
Review for Midterm
Lecture Trig Functions and Graphs
Project Sine regression
Quiz 9 Preview
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Review Quiz #8
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Review Practice Test
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PARENT: log base 2
Transformations: Parenthesis 1st: 3 to the right (move VA 3 to the right)
Addition 2nd: 2 up x y
4 25 3
calculator:
y1=2+log(x3)/log(2)
11 57 4
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9*180 / (7pi)
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Lecture: Trig Functions and Graphs
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always +
Negative B flips
about y axis
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period=360 degrees
or 2Pi radians
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sin(3x)
"smushed"
smushed stretche
busier
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sin(.25x) period 2pi/B
2pi/.25= 8 pi
4 times bigger than regular sine
"Lazier"
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y = log(2x3)log(x) has VA at x=0
has VA at
2x3=0 x = 3/2
smushed
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London Eye
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time height0 37.5 22315 44322.5 22330 3
perform sine regression
y = 223sin(.2...x1.57)+220
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Period???
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math 0: solver
0= var 5: >> 1:
minus y (alpha 1)
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Project: Sine Regression
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Ideas for individual Project (9 data points)
Interesting
Relevant
Informative
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According to the sine regression,
Apple stock will cost $72 August 2017.
The stock will be 100 in 2025.
Conner
Daisy
Hope says in 2035 stock will be worth $74.65
Maddie says the price of applestock is $55 in NEVER
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According to the sine regression with period of 7,
6.6 drinks gets 5.6 encountersaccording to Sine regression with period of 7, to get 3 encounters, I can only drink 2.8 drinks
according to the sine regression with a period of 7, a person who does not drink can expect 4 encounters
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Quiz 9 : Preview
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period: 2pi/3
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shifted
y=1/tan(x+pi/4) y=2/cos(x) y=2/cos(x/2)