Odelia Ryan and Heather Cooper

Facebook World Domination
table:
L1 L2
12 1
24 5.5
36 12
40 20
46 50
56 100
61 150
62 175
64 200
67 250
69 300
72 350
74 400


exponential regression equation: y=(.45)(1.o99^x)


x= the number of months
y= the millions of users

this month is the 76th month. there are 591 million people


plug in 76 for x and solve for y.


In six months it is 82 months total, there will be 1.o35 billion people. plug in 82 for x and solve for y.

In 14 years every one in the world would have a facebook. Now there is 6,814,169,763 people in the world. plug that in for y.




A piece of Cake


L1 L2
1 2
2 4
3 7
4 11
5 16
6 22
7 28
8 35

quadratic regression equation: y= .5x^2+.5x+1
y- is the number of pieces
x-is the number of cuts
.5x^2- is the width of the func.
.5x- location of vertex
domain-(1,2,3,4,5,6,7,8)
range-(2,4,7,11,16,22,28,35)




Harder, Faster, Stronger







mens 100m backstroke

start 1956- 1st year

linear regression equation: y=ax=b

y=-.0018x+.6058

womens 100m backstroke

y= -.0018x+.6839

a=the slope

b=y intercept

x=year

y=time

men tend to have faster times than women. An amazing time would be be under 50 seconds. this might happen by 2015