| R(t) | = |
|
| R(t+h) | = |
| 7500 + 500(t+h) - 100(t+h)2 |
|
|
= |
| 7500 + 500t + 500h - 100(t2 + 2th + h2) |
|
|
= |
| 7500 + 500t + 500h - 100t2 - 200th - 100h2 |
|
Subtracting gives
| R(t+h) - R(t) |
= |
| 7500 + 500t + 500h - 100t2 - 200th - 100h2 - [7500 + 500t - 100t2] |
|
|
= |
| 500h - 200th - 100h2 (The remaining terms cancelled.) |
|
Enter this as 500*h-200*t*h-100*h^2 or 500h-200th-100h^2
Just close this window to return to the tutorial.