Logarithm Model by Zach Brandeis

2002 2004 2006 2008 2009 2010 2011 20120

2

4

6

8

10

12

14

f(x) = 4.67227431709189 ln(x) + 2.84279827681815R² = 0.959537855736471

Total Annual Revenue(billion)

Total Annual Revenue(billion)

Logarithmic (Total Annual Revenue(billion))

According to this model, the total annual

revenue will be 17.5 billion in 2025

Power Model by Kiefer Cundy, Wyatt Lichtenger, Aidan Sperry

1999 2003 2005 2009 201282.5

83

83.5

84

84.5

85

85.5

86

86.5

87

f(x) = 86.4006340561691 x^-0.015401658834718R² = 0.781854635418236

Insurance Rate (in %)

Insurance Rate

Power (Insurance Rate)

According to this model, the

insurance rate will be 82.3% in 2030.

Linear Model by Jake Deutschlander

2005 2006 2007 2008 2009 201029,000

31,000

33,000

35,000

37,000

39,000f(x) = 1905.14285714286 x + 27718.6666666667R² = 0.989995680396869

Tuition ($) at Lehigh University

Tuition ($)

According to this model, the

tuition will be $75,346 in 2030.

Quadratic Model by Kristine Bailey

2008 2009 2010 2011 20130

50

100

150

200

250

300

350

f(x) = 28 x² − 96 x + 80R² = 0.988667841853438

Number of twitter users (Millions)

Number of twitter users (Millions)Polynomial (Num-ber of twitter users (Millions))

According to this model, the number of twitter users will

be 11,520 million in 2030.

Linear Model by Burke Riley

2004 2005 2006 2007 2008 2009 2010 2011 20124

4.2

4.4

4.6

4.8

5

5.2

5.4

5.6

5.8

f(x) = − 0.138333333333333 x + 5.91388888888889R² = 0.822730891719745

National Murder Rate of the US (per 100,000 people)

National Murder Rate of the USLinear (National Murder Rate of the US)

According to this model, the murder rate

will be 3.01per 100,000 people in 2025.

Logarithmic Model by Zeyuan Tang

According to this model, the population in

China will be 2.4 billion in 2030.