1、在同一直角坐标系中画出下列函数的图象 (1)![]()
列表:
|
x |
-2 |
-1.5 |
-1 |
-0.5 |
0 |
0.5 |
1 |
1.5 |
2 |
|
y= |
0.11 |
0.19 |
0.33 |
0.58 |
1 |
1.73 |
3 |
5.20 |
9 |
|
|
9 |
5.20 |
3 |
1.73 |
1 |
0.58 |
0.33 |
0.19 |
0.11 |
|
|
课堂练习: