MODULE
FIVE
PROBLEM
SET
1
Directions:
Type
your
solutions
into
this
document
and
be
sure
to
show
all
steps
for
arriving
at
your
solution.
Just
giving
a
final
number
may
not
receive
full
credit.
P
ROBLEM
1
Indicate
whether
the
two
functions
are
equal.
If
the
two
functions
are
not
equal,
then give an element the domain which the two functions have different of on values.
(a)
f
:
Z
→
Z
,
where
f
(x)
=
x
2
.
g
:
Z
→
Z
,
where
g(x)
=
|
x
|
2
.
(b)
•
Both
functions
are
a
positive
value.x
2
is
positive
and
x
|
2
|
can
never
be
negative.
f
:
Z
×
