4. Today‛s functions will be shown as equations with two
variables.
y = 2x + 9
QUESTION: Explain how to use the rule above if the input
value was 4.
QUESTION: How did you know the procedure?
4
5. Think-Pair-Share Activity: y = 3x
1.) Complete the function table individually.
2.) Discuss with your partner until agreement.
Input Rule Output
x y
-2
-1
0
1
2
5
6. Think-Pair-Share Activity: y = 2x + 9
1.) Complete the function table individually.
2.) Discuss with your partner until agreement.
Input Rule Output
x y
-2
-1
0
1
2
6
7. Think-Pair-Share Activity:
y = 3x - 4
1.) Complete the function table individually.
2.) Discuss with your partner until agreement.
Input Rule Output
x y
-2
-1
0
1
2
7
8. Think-Pair-Share Activity:
y = 4x2
1.) Complete the function table individually.
2.) Discuss with your partner until agreement.
Input Rule Output
x y
-2
-1
0
1
2
8
9. Plotting Points Origin(0,0)
(x,y) - Ordered pair 6
y
5
4
x - move right(+) or left(-) 3
2
1
y- move up(+) or down(-) x
6 5 4 3 2 1 0 1 2 3 4 5 6
1
2
3
4
5
6
9
10. y
6
5
4
3
A (1 ,
2 2)
B (3
, 1) 1
E (3 , x
0)
6 5 4 3 2 1 0 1 2 3 4 5 6
1
(4 ,
2 2)
(0 ,
F
3 3)
(2 ,
D
4) 4
C
5
6
10
11. BEFORE YOU LEAVE
Explain the relationship between the cartoon from
the Anticipatory Set and functions.
11
