1. 4.6 – Function Notation Textbook pg. 268 Objective:
The student will properly use function notation in order to prepare for writing functions.

2. Function notation: describes y (dependent) as a function of x (independent) -use f(x) instead of y in equations
Write cost as a function of time
Write cost as a function of people
Write distance as a function of gallons
Write h as a function of g
Write f as a function of x
Write y as a function of x

3. 8) g(t) = 2t – 1 when t = 1 and t = -3
Evaluate:
7) f(x) = 5x when x = 2
8) g(t) = 2t – 1 when t = 1 and t = -3

4. Writing a function rule:
Find a pattern
Test out the pattern
Write pattern as a function
8) X Y
1 -2
2 -1
3 0
4 1

5. Name Date Period 4.6 – pg. 271 #16-19, 27, 37, 39