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Reference Sheet
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5
Mark for Review
f
(
x
)
=
18
x
+
b
For the given function
f
(
x
)
, which of the following represents the equation for the function
3
f
(
x
)
, given that the point
(
−
2
,
−
20
)
lies on the graph of
f
(
x
)
−
10
?
A
18
x
−
78
Check
B
54
x
+
78
Check
C
18
x
+
6
Check
D
54
x
−
6
Check