example 8 stock prices chapter 6.3 the closing price of a share of worldcom, inc. stock for the...

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example 8 Stock Prices Chapter 6.3 The closing price of a share of Worldcom, Inc. stock for the years 1994–2000 can be modeled by the equation where x represents the number of years after 1990. Assuming that this trend continues, graphically determine the years after 1999 in which the closing price was $15 (roughly the cost of the stock in 1997). (Source: S&P Comstock) 3 2 2.56 53.73 356.47 772.74 y x x x 2009 PBLPathways

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 2009 PBLPathways The closing price of a share of Worldcom, Inc. stock for the years 1994–2000 can be modeled by the equation where x represents the number of years after Assuming that this trend continues, graphically determine the years after 1999 in which the closing price was $15 (roughly the cost of the stock in 1997). (Source: S&P Comstock) x y

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Page 1: Example 8 Stock Prices Chapter 6.3 The closing price of a share of Worldcom, Inc. stock for the years 1994–2000 can be modeled by the equation where x

example 8 Stock Prices

Chapter 6.3

The closing price of a share of Worldcom, Inc. stock for the years 1994–2000 can bemodeled by the equation

where x represents the number of years after 1990. Assuming that this trend continues, graphically determine the years after 1999 in which the closing price was $15 (roughly the cost of the stock in 1997).(Source: S&P Comstock)

3 22.56 53.73 356.47 772.74y x x x

2009 PBLPathways

Page 2: Example 8 Stock Prices Chapter 6.3 The closing price of a share of Worldcom, Inc. stock for the years 1994–2000 can be modeled by the equation where x

2009 PBLPathways

The closing price of a share of Worldcom, Inc. stock for the years 1994–2000 can bemodeled by the equation

where x represents the number of years after 1990. Assuming that this trend continues, graphically determine the years after 1999 in which the closing price was $15 (roughly the cost of the stock in 1997).(Source: S&P Comstock)

3 22.56 53.73 356.47 772.74y x x x

Page 3: Example 8 Stock Prices Chapter 6.3 The closing price of a share of Worldcom, Inc. stock for the years 1994–2000 can be modeled by the equation where x

2009 PBLPathways

The closing price of a share of Worldcom, Inc. stock for the years 1994–2000 can bemodeled by the equation

where x represents the number of years after 1990. Assuming that this trend continues, graphically determine the years after 1999 in which the closing price was $15 (roughly the cost of the stock in 1997).(Source: S&P Comstock)

3 22.56 53.73 356.47 772.74y x x x

x

y3 2

3 2

15 2.56 53.73 356.47 772.74

0 2.56 53.73 356.47 757.74

x x x

x x x

Page 4: Example 8 Stock Prices Chapter 6.3 The closing price of a share of Worldcom, Inc. stock for the years 1994–2000 can be modeled by the equation where x

2009 PBLPathways

The closing price of a share of Worldcom, Inc. stock for the years 1994–2000 can bemodeled by the equation

where x represents the number of years after 1990. Assuming that this trend continues, graphically determine the years after 1999 in which the closing price was $15 (roughly the cost of the stock in 1997).(Source: S&P Comstock)

3 22.56 53.73 356.47 772.74y x x x

x

y3 2

3 2

15 2.56 53.73 356.47 772.74

0 2.56 53.73 356.47 757.74

x x x

x x x

Page 5: Example 8 Stock Prices Chapter 6.3 The closing price of a share of Worldcom, Inc. stock for the years 1994–2000 can be modeled by the equation where x

2009 PBLPathways

The closing price of a share of Worldcom, Inc. stock for the years 1994–2000 can bemodeled by the equation

where x represents the number of years after 1990. Assuming that this trend continues, graphically determine the years after 1999 in which the closing price was $15 (roughly the cost of the stock in 1997).(Source: S&P Comstock)

3 22.56 53.73 356.47 772.74y x x x

x

y3 2

3 2

15 2.56 53.73 356.47 772.74

0 2.56 53.73 356.47 757.74

x x x

x x x

3 22.56 53.73 356.47 757.74y x x x

Page 6: Example 8 Stock Prices Chapter 6.3 The closing price of a share of Worldcom, Inc. stock for the years 1994–2000 can be modeled by the equation where x

2009 PBLPathways

The closing price of a share of Worldcom, Inc. stock for the years 1994–2000 can bemodeled by the equation

where x represents the number of years after 1990. Assuming that this trend continues, graphically determine the years after 1999 in which the closing price was $15 (roughly the cost of the stock in 1997).(Source: S&P Comstock)

3 22.56 53.73 356.47 772.74y x x x

x

y3 2

3 2

15 2.56 53.73 356.47 772.74

0 2.56 53.73 356.47 757.74

x x x

x x x

x-intercepts at x 4.9, 6.0, 10.1

3 22.56 53.73 356.47 757.74y x x x