1. Continuous Functions $x_1(t)$ and $x_2(t)$ definitions' link
How to evaluate $(x_1∗x_2)(t)$ at $t = −T, 0, +T$ in terms of $T$
2. Discrete Functions $x_1[n]$ and $x_2[n]$ definitions' link
Evaluate $(x_1∗x_2)[n]$ at $n = -1, 0, 1, 2, 3, 4, 5, 6, 7, 8$