I need help with problems b & c.

Define the sets A, B, C, D, and E as follows: Use the definitions for A, B, C, D, and E to answer the questions. (a) Do the sets A, B, and C form a partition of R? If not, which condition of a partition is not satisfied? Solution Do the sets A, B, and D form a partition of R? If not, which condition of a partition is not satisfied? Do the sets B, D, and E form a partition of R? If not, which condition of a partition is not satisfied