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Question 19
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The function
f
is defined by
f
(
x
)
=
3
x
−
7
. If
f
(
a
+
1
)
=
2
a
+
1
, what is the value of
a
?
The function
f
is defined by
f
(
x
)
=
3
x
−
7
. If
f
(
a
+
1
)
=
2
a
, what is the value of
a
?
-1
A
1
B
5
C
6
D
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