1. Discrete and Continuous Functions
Domain and Range

2. function consists of separate points.
Discrete Functions
The graph of a discrete
function consists of separate points.

3. The graph of a continuous
Continuous Functions
The graph of a continuous
function is unbroken.

4. Discrete Functions
Domain?
Range?
1,2,3
1,4,6

5. Continuous Functions
Domain?
Range?
[1,∞) or x>1
[2,∞) or y>2

6. Is the function Discrete or Continuous???
NHS choir is selling tickets
For $3 each. The function f(X)
Gives the amount of money
Collected after selling x tickets.
Discrete

7. Domain: whole numbers 0, 1, 2,…
Domain and Range?
NHS choir is selling tickets
For $3 each. The function f(X)
Gives the amount of money
Collected after selling x tickets.
Domain: whole numbers 0, 1, 2,…
Range: 0, 3, 6, 9,…

8. Is the function Discrete or Continuous???
A gas nozzle releases 2 gallons of
gas per minute. The function f(x)
gives the volume of gas released
after x minutes.
Continuous

9. Domain and Range? A gas nozzle releases 2 gallons of
gas per minute. The function f(x)
gives the volume of gas released
after x minutes.
Domain: [0,∞) or x>0
Range: [0,∞) or y>0

10. Homework: pg 81: 1-9