I can't realize how to use Problem Sets.
For instance, there is such instruction in table:

1B Velocity and rates of change 1a, 1b, 1c

What exercises I have to do?
All of these: 1A-1, 1A-2, 1A-3, 1A-4, 1A-5, 1A-6, 1A-7, 1A-8, 1A-9; 1B-1, 1B-2; 1C-1, 1C-2, 1C-3, 1C-4, 1C-5, 1C-6 or only some of them?

Question

I can't realize how to use Problem Sets.
For instance, there is such instruction in table:

> 1B    Velocity and rates of change    1a, 1b, 1c

What exercises I have to do?
All of these: 1A-1, 1A-2, 1A-3, 1A-4, 1A-5, 1A-6, 1A-7, 1A-8, 1A-9; 1B-1, 1B-2; 1C-1, 1C-2, 1C-3, 1C-4, 1C-5, 1C-6 or only some of them?

anonymous · Answer

Some problems have sub-problems a,b,c ... and so on.
so do problem 1B-1 (sub problems a) b) and c) ) Or if you prefer :  1B-1a. 1B-1b, 1B-1c

anonymous · Answer

Oh, thank you! It get things clear.