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Mathematics
Mathematics
Problem
Let
f
(
x
)
=
x
2
−
1
f(x)=x^{2}-1
f
(
x
)
=
x
2
−
1
and
g
(
x
)
=
x
g(x)=\sqrt{x}
g
(
x
)
=
x
, where
x
≥
0
x\ge 0
x
≥
0
for
g
(
x
)
g(x)
g
(
x
)
to be defined. Evaluate
(
g
∘
f
)
(
3
)
(g\circ f)(3)
(
g
∘
f
)
(
3
)
.
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