LESSON 2.

FUNCTION y = ax +b

1. To review for function y = ax + b (a ≠ 0)
Domain: D = R.
Variation:
 
2. Constant function : y = b
Graph constant function y = b is straight line parallel Ox
When is graph function y = b coincides Ox?
When b = 0
 
 
 
 
3. Function y = |x|
+Domain:
 
+Variation:
 
 
C
 
 
 
 
 
 
 
 
C
 
D
What is the graph of the function ?
 
 
 
 
 
 
C
 
 
 
 
 
B
 
 
 
 
 
 
CONSTANT FUNCTION
y=b

 The graph is a straight line
FUNCTION
Domain D=R
 The graph is a straight line parallel Ox
SUMMARY:
Homework:
 
 
What do you think about the lesson?
+An enjoyable experience.
+ Connecting and intergrating the wold.
Learn to know
Learning to live together
Learn to do
Learn to assert yourself
United nations message on learing.
Have a nice day
Happy 20.10
Wish you healthy
I wish you success
Thank all teachers and students!