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Math
·
Algebra
·
Linear functions
hard
The function
f
is defined by
f
(
x
)
=
−
2
1
(
x
−
9
)
+
8
. For what value of
x
does
f
(
x
)
=
4
a
, where
a
is a constant?
A
−
2
a
+
7
B
−
2
a
+
25
C
−
8
a
+
25
D
−
8
a
−
7
The function \(f\) is defined by \(f(x) = -\dfrac{1}{2}(x - 9) + 8\).… | Math SAT Question | Ronan SAT