| 1 | What functional form does that? Exponential. | |
| 2 | The vegetation index reflects the change. | |
| 3 | Watch out: the "cufflink index" could be next. | |
| 4 | The dollar index is already down over 10% since June. | |
| 5 | Obesity is based on the body mass index, a calculation using height and weight. |