Please explain everything you are doing, don't just write the answer down! and write neatly please and thank you!

1. (60 points) Determine the worst-case running time of the following functions, using big-Theta notation. Provide an English description that describes the running time of each line, as we have done in class. Be sure to define any variables you use in your expression. void func1(int[] A) { int incr = 1; while (incr