PSAT Math Quiz
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ALGEBRA 2
Question 1
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What is the range of the function
y
=
x
−
9
y=\sqrt{x-9}
y
=
x
−
9
in real numbers? Choose the set of all possible output values.
A
(
−
∞
,
∞
)
(-\infty,\infty)
(
−
∞
,
∞
)
B
[
0
,
∞
)
[0,\infty)
[
0
,
∞
)
C
[
9
,
∞
)
[9,\infty)
[
9
,
∞
)
D
(
0
,
∞
)
(0,\infty)
(
0
,
∞
)
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