Find , where is the reflection across the of 9
g
(
x
)
g
(
x
)
y
-axisf
(
x
)
=
–
x
–
1
.g
(
x
)
=
9
x
+
1
g
(
x
)
=
–
x
+
1
g
(
x
)
=
9
x
–
1
g
(
x
)
=
–
x
–
1
ref_doc_title.
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