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Problem
Problem
Graph
y
=
f
(
x
)
y = f(x)
y
=
f
(
x
)
and
y
=
f
(
−
x
)
y = f(-x)
y
=
f
(
−
x
)
for: a.
f
(
x
)
=
2
x
+
1
f(x) = 2x + 1
f
(
x
)
=
2
x
+
1
b.
f
(
x
)
=
x
2
+
2
x
+
1
f(x) = x^2 + 2x + 1
f
(
x
)
=
x
2
+
2
x
+
1
c.
f
(
x
)
=
x
3
f(x) = x^3
f
(
x
)
=
x
3
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