| x | f(x) |
| 0 | 5 |
| 1 |  |
| 2 |  |
| 3 |  |
The table above gives the values of the function f for some values of x. Which of the following equations could define f ?
| x | f(x) |
| 0 | 5 |
| 1 | |
| 2 | |
| 3 | |
The table above gives the values of the function f for some values of x. Which of the following equations could define f ?