y
=
−
2
3
Find the
y
value at
x
=
−
2
.
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y
=
−
2
9
Find the
y
value at
x
=
1
.
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y
=
−
6
Find the
y
value at
x
=
2
.
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y
=
−
18
List the points to graph.
(
0
,
−
2
)
,
(
−
1
,
−
0.
¯
6
)
,
(
−
2
,
−
0.
¯
2
)
,
(
1
,
−
6
)
,
(
2
,
−
18
)
Exponential functions have a horizontal asymptote. The equation of the horizontal asymptote is
y
=
0
.
Horizontal Asymptote:
y
=
0
Use the found points and asymptotes to graph
y
=
−
2
⋅
3
x
.
Horizontal Asymptote:
y
=
0
x
y
−
2
−
0.222
−
1
−
0.667
0
−
2
1
−
6
2
−
18