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For which real x is √(x + 4) a real number? | StemPy Lab
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For which real x is √(x + 4) a real number?
Mathematics
Easy
High School (11–12)
Functions and Calculus › Relations and Functions
Created by
StemPy Lab
For which real
x
x
x
is
x
+
4
\sqrt{x + 4}
x
+
4
a real number?
R
\mathbb{R}
R
[
4
,
∞
)
[4, \infty)
[
4
,
∞
)
(
−
4
,
∞
)
(-4, \infty)
(
−
4
,
∞
)
[
−
4
,
∞
)
[-4, \infty)
[
−
4
,
∞
)
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