## Problems

**Problem : ** Write the following in set notation:

a) The set of all *x* such that *x* is not equal to -2.

b) The set of all *r* such that *r* is less than 4.

c) The empty set.

d) The set containing only the odd numbers between 0 and 10.

e) The set of all *x* such that *x*≥3.

a)

{*x* : *x*≠ -2}
b)

{*r* : *r* < 4}
c)

ò
d)

{1, 3, 5, 7, 9}
e)

{*x* : *x*≥3}
**Problem : ** Draw a Venn diagram for the following sets:

*A* = {1, 2, 3, 4, 8, 9}

*B* = {1, 3, 4, 6}

**Problem : ** Draw a Venn diagram for the following sets:

*A* = { -3, -2, -1, 0}

*B* = {0, 1, 2, 3}

**Problem : ** Draw a Venn diagram for the following sets:

*A* = {1, 3, 5, 7, 9}

*B* = {0, 2, 4, 6, 8}

**Problem : ** Write out the sets that the following Venn diagram represents:

*A* = { -2, 1, 2, 16}
*B* = { -2, 0, 2, 7, 8}