1.
Determine the symmetry of the graph of
xy
= -4.
A.
the line
y
=
x
and
the line
y
= -
x
B.
the line
y
=
x
C.
the line
y
= -
x
D.
none is correct
Hint
2.
The graph |
y
| = 4 - |2
x
| is symmetric with respect to __________.
A.
both the
x
-axis and
the
y
-axis
B.
the
y
-axis
C.
neither the
x
-axis nor
the
y
-axis
D.
the
x
-axis
Hint
3.
Which is an even function?
A.
y
= 2
x
- 1
B.
y
=
x
C.
y
= -
x
D.
y
=
x
2
Hint
4.
Which is an odd function?
A.
B.
C.
D.
Hint
5.
The equation
f
(-
x
) = -
f
(
x
) is true for which statement?
A.
only even functions
B.
only functions with point symmetry
C.
both odd functions and relations symmetrical about the origin
D.
only odd functions
Hint