1. Date Calculus AB Ms. Brewer
1.2 Functions and Graphs
Date
Calculus AB
Ms. Brewer

2. Vocab/Formulas
Function: a rule that assigns a unique element in R to each element in D.
One x value for every y value
Function notation: y = f(x)
Domain: inputs, independent x-value
Range: outputs, dependent y-value
Euler’s “invention”

3. Function vs. Not a Function

4. Domain and Range
Pg. 13
a < x ≤ b
(a , b] a b

5. Example 2/3: Find domain and range.
a. b.

6. Example 2/3: Find domain and range.
c. d.

7. Vocab/Formulas Even Function: symmetric about y – axis
No sign change in range
Odd Function: symmetric about the origin
Signs change in range

8. Example 4: Determine whether the function is even or odd
(whole equation didn’t change)

9. Example 5: Graph the piecewise equation.

10. Absolute Value

11. Example 8: Find the following composite functions

12. Assignment
Pg (by 3’s), 22, 53 Don’t forget to read the examples we didn’t cover!