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UNIT
2 : FUNCTIONS
LESSON
2: FUNCTIONS YOU SHOULD KNOW
Square Root functions:
|
x |
|
|
0 |
0 |
|
1 |
1 |
|
4 |
2 |
|
9 |
3 |
|
16 |
4 |
Linear Functions:
|
x |
|
|
0 |
0 |
|
1 |
1 |
|
2 |
2 |
|
3 |
3 |
|
4 |
4 |
Graphing Lines Using the Intercept Method:
Graphing Lines Using the Table of Values Method:
|
x |
|
|
-3 |
-9 |
|
-2 |
-5 |
|
-1 |
-1 |
|
0 |
3 |
|
1 |
7 |
|
2 |
11 |
|
3 |
15 |
The Quadratic Function:
|
x |
|
|
-3 |
9 |
|
-2 |
4 |
|
-1 |
1 |
|
0 |
0 |
|
1 |
1 |
|
2 |
4 |
|
3 |
9 |
The Reciprocal Function:
|
x |
|
|
-5 |
-1/5 |
|
-3 |
-1/3 |
|
-1 |
-1 |
|
-0.5 |
-2 |
|
-0.2 |
-5 |
|
-0.1 |
-10 |
|
0 |
Und. |
|
0.1 |
10 |
|
0.2 |
5 |
|
0.5 |
2 |
|
1 |
1 |
|
3 |
1/3 |
|
5 |
1/5 |
The Absolute Value Function:
|
x |
|
|
-3 |
3 |
|
-2 |
2 |
|
-1 |
1 |
|
0 |
0 |
|
1 |
1 |
|
2 |
2 |
|
3 |
3 |
The Cubic Function:
|
x |
|
|
-3 |
9 |
|
-2 |
4 |
|
-1 |
1 |
|
0 |
0 |
|
1 |
1 |
|
2 |
4 |
|
3 |
9 |
The Semi-Circle Function:
|
x |
|
|
-5 |
0 |
|
-4 |
3 |
|
-3 |
4 |
|
-1 |
4.9 |
|
0 |
5 |
|
1 |
4.9 |
|
3 |
4 |
|
4 |
3 |
|
5 |
0 |
Remember these graphs and the key points.
You will use them throughout this chapter
Domain Defined Functions:
