# Supersonic Freefall - PowerPoint PPT Presentation

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Supersonic Freefall. “After flying to an altitude of 128,100 feet in a helium-filled balloon, Felix Baumgartner completed a record breaking jump for the ages from the edge of space.” How cold was it when Felix jumped? How cold was it when Felix was halfway down? What does f(0) represent?

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Supersonic Freefall

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### Supersonic Freefall

“After flying to an altitude of 128,100 feet in a helium-filled balloon, Felix Baumgartner completed a record breaking jump for the ages from the edge of space.”

• How cold was it when Felix jumped?

• How cold was it when Felix was halfway down?

• What does f(0) represent?

• What does f(a) = 0 represent?

### HW Process

• Teacher will select problems to go over as a class.

• Make corrections.

• Turn in homework.

### HW Process

• Teacher will select problems to go over as a class.

• Make corrections.

• Turn in homework.

### HW Process

• Teacher will select problems to go over as a class.

• Make corrections.

• Turn in homework.

### HW Process

• Teacher will select problems to go over as a class.

• Make corrections.

• Turn in homework.

### Movie Tickets

The average price of a movie ticket in the United States from 1980 to 2000 can be modeled by the function f(x) = 0.10x + 2.75 where x is the number of years since 1980.

### Movie Tickets

The average price of a movie ticket in the United States from 1980 to 2000 can be modeled by the function f(x) = 0.10x + 2.75 where x is the number of years since 1980.

• What is f(22)?

• What does f(22) mean?

• What does f(a) = 4.55 mean?

### DVD Players

The number (in thousands) of DVD players sold in the USA from 1998 to 2003 can be modeled by f(x) = 4250x + 330 where x is the number of years since 1998.

### DVD Players

The number (in thousands) of DVD players sold in the USA from 1998 to 2003 can be modeled by f(x) = 4250x + 330 where x is the number of years since 1998.

• What is f(1)?

• What does f(1) mean?

• What does N = f(x) mean?