Fermi
·
Concept Library
·
Courses
·
Books
·
Problems
·
Simulations
·
Math Wiki
·
High School
Fermi
›
Problems
Mathematics
Mathematics
Problem
Range of
f
(
x
)
=
[
1
log
(
x
2
+
e
)
]
+
1
1
+
x
2
f(x) = \left[ \frac{1}{\log(x^2 + e)} \right] + \frac{1}{\sqrt{1+x^2}}
f
(
x
)
=
[
l
o
g
(
x
2
+
e
)
1
]
+
1
+
x
2
1
, where
[
⋅
]
[ \cdot ]
[
⋅
]
denotes greatest integer function, is a.
(
0
,
e
+
1
e
]
∪
{
2
}
\left(0, \frac{e+1}{e}\right] \cup \{2\}
(
0
,
e
e
+
1
]
∪
{
2
}
b.
(
0
,
1
)
(0, 1)
(
0
,
1
)
c.
(
0
,
1
]
∪
{
2
}
(0, 1] \cup \{2\}
(
0
,
1
]
∪
{
2
}
d.
[
0
,
1
]
∪
{
2
}
[0, 1] \cup \{2\}
[
0
,
1
]
∪
{
2
}
Browse the problem library