The document discusses function notation and the relationship between domain, range, and the rule that describes how the output value (range) changes with respect to the input value (domain). It provides examples of functions that relate things like how far light travels based on time, how fast someone walks impacts how soon they get home, and how much someone eats affects how much weight they gain. The examples are accompanied by images to illustrate the concepts.

1. Bellwork Jan. 11, 2012

2. Bellwork Jan. 11, 2012

3. Function Notation - read as "f of x"
is
the SAME THING as

4. Domain
Range

5. Domain Range
-6
-3
0
2
5

8. The faster Ahmad walks, the
sooner he gets home

9. Larry ate McDonalds everyday, so
he gained lots of weight

10. Grass
Height
Time

11. Image credit - flickr user
danmachold

12. d C
150
500

13. Light travels about 186,000 miles per second. The rule
describes the relationship between distance in miles and
in seconds
a. How far does light travel in 20 seconds?
b. How far does light travel in 1 minute?
Credit to flickr user Éole