I felt that today's work was very challenging. I am new to the concept of using graphs and equations to generate circles on the graphic calculator. I find it very tough. Drawing these circles are also very tedious as I have to change the equations once I find that they are wrong. Up till now, I am still struggling to draw these images. Only with the help of my classmates, then I was able to do some.

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2P1XX FILENAMEbefore uploading in case you overwrite other peoples' files!DAY 1: 25 May

DAY 2: 26 MayI felt that today's work was very challenging.I am new to the concept of using graphs and equations to generate circles on the graphic calculator. I find it very tough. Drawing these circles are also very tedious as I have to change the equations once I find that they are wrong. Up till now, I am still struggling to draw these images. Only with the help of my classmates, then I was able to do some.Submission of Designs:Design 1(LONDON 2010)Design 2("RU4")Design 3(SYRINGE)Design 3 (Optional)(BOAT)Window Settings:

Xmin = -14

Xmax = 14

Ymin = -7

Ymax = 7

Equations:

Blue Ring

Y1 =2 + squareroot(16-(x+9)^2)

Y2 =2 - squareroo(16-(x+9)^2)

Black Ring

Y3 =2+squareroo(16-(x-0)^2)

Y4 =2-squareroot(16-(x-0)^2)

Red Ring

Y5 =2+squareroo(16-(x-9)^2)

Y6 =2-squareroo(16-(x-9)^2)

Yellow Ring

Y7 =-2 + squareroo(16-(x+4.5)^2)

Y8 =-2 - squareroo(16-(x+4.5)^2)

Green Ring

Y9 =-2 + squareroo(16-(x-4.5)^2)

Y10 =-2 - squareroo(16-(x-4.5)^2)

RU4:

Window Settings:

Xmin = 0

Xmax = 6

Ymin = 0

Ymax = 6

Equations:

Y1 = 3 + squareroot(2.5^2-(x-3.5)^2)

Y2 = 3 - squareroot(2.5^2-(x-3.5)^2)

Y3 = ((11-2x)/1)/(x =>3) / ( x <= 4.5)

Y4 = ((2x-4)/1)/(x => 3) / ( x <= 3.75)

Syringe:

Window Settings:

x-min: -7

x-max: 7

y-min: -5

y-max: 5

syringe:

y1= 2/(1<=x)/(x<=5)

y2= 1.5/(1<=x)/(x<=5)

y3= -1.5x + 3.5/(0.5<=X)/(x<=1)

y4= 1.5x/(0.5<=X)/(x<=1)

y5= -.25x + 3.25/(5<=X)/(x<=5.75)

y6= .25x + .25/(5<=X)/(x<=5.75)

curves:

y1= 1.75+(1.56-(x-3.75)^2)^1/2 /(2.19<=X)/(X<=3.75)

y2= 1.75-(1.56-(x-3.75)^2)^1/2 /(2.19<=X)/(X<=3.75)

y3= 1.75+(1.1-(x-3.75)^2)^1/2 /(2.65<=X)/(X<=3.75)

y4= 1.75-(1.56-(x-3.75)^2)^1/2 /(2.65<=X)/(X<=3.75)

y5= 1.75+(1.56-(x-2.5)^2)^1/2 /(0.94<=X)/(X<=2.5)

y6= 1.75-(1.56-(x-2.5)^2)^1/2 /(0.9<=X)/(X<=2.5)

y7= 1.75+(1.1-(x-2.5)^2)^1/2 /(1.4<=X)/(X<=2.5)

y8= 1.75-(1.1-(x-2.5)^2)^1/2 /(1.35<=X)/(X<=2.5)