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SAT Math Practice Question #31451 - SATify | SATify
#31451
algebra
functions
medium
40 sec
The function
f
is defined by
f
(
x
)
=
x
+
3
x
−
1
. For what value of
x
is
f
(
x
)
undefined?
A.
-3
B.
-1
C.
1
D.
3
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