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Find the domain of .
MATHEMATICS · Single correct · GCSE · Mathematics · Algebra · Algebra
Problem
Find the domain of
g
(
x
)
=
x
+
4
2
x
−
1
g(x)=\dfrac{x+4}{\sqrt{2x-1}}
g
(
x
)
=
2
x
−
1
x
+
4
. (a)
(
1
,
∞
)
(1,\infty)
(
1
,
∞
)
(b)
(
1
2
,
∞
)
(\tfrac12,\infty)
(
2
1
,
∞
)
(c)
[
1
2
,
∞
)
[\tfrac12,\infty)
[
2
1
,
∞
)
(d)
(
−
∞
,
1
2
)
(-\infty,\tfrac12)
(
−
∞
,
2
1
)
Related theory
Real Number System
Functions
Special Functions
Algebra
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