1.
Determine the symmetry of
f
(
x
) =
x
7
.
A.
symmetric with respect to only the
x
-axis
B.
symmetric with respect to the origin
C.
not symmetric
D.
symmetric with respect to only the
y
-axis
Hint
2.
Determine the symmetry of
g
(
x
) =
.
A.
symmetric with respect to only the
y
-axis
B.
not symmetric
C.
symmetric with respect to only the
x
-axis
D.
symmetric with respect to the origin
Hint
3.
Determine the symmetry of the graph of
xy
= -4.
A.
the line
y
=
x
B.
the line
y
= -
x
C.
the line
y
=
x
and
the line
y
= -
x
D.
none is correct
Hint
4.
Which is an even function?
A.
y
=
x
2
B.
y
= -
x
C.
y
=
x
D.
y
= 2
x
- 1
Hint
5.
The equation
f
(-
x
) = -
f
(
x
) is true for which statement?
A.
only odd functions
B.
both odd functions and relations symmetrical about the origin
C.
only even functions
D.
only functions with point symmetry
Hint