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Functions
medium
0:00.0
If
f
(
x
)
=
x
−
a
f(x) = \sqrt{x-a}
f
(
x
)
=
x
−
a
and
f
(
10
)
=
3
f(10) = 3
f
(
10
)
=
3
, what is
a
a
a
?
A
1
1
1
B
7
7
7
C
9
9
9
D
13
13
13
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