MATH1050: Sets and Numbers
Instructor: Laura Strube
Name:
Student ID:
Answer the questions in the spaces provided or copy the questions neatly on
your own paper
1. (5 points) Given the set A = {2, 4, 6} write 7 subsets of A.
2. (5 points) Given W = {1}, X = {1, 10, 100, 100}, Y = {1, 10}, and Z = {1, 10, 1000},
order these sets using subset notation.
[Hint: We “ordered” the classes of numbers as subsets in lecture]
1
3. (5 points) From the set M = {−56, − 13 , 0, 0.7, 2, π, e,
√
4},
(a) Construct a set containing all of the natural numbers in M .
(b) Construct a set containing all of the integers in M .
(c) Construct a set containing all of the rational numbers in M .
(d) Construct a set containing all of the real numbers in M .