Fermi
·
Concept Library
·
Courses
·
Books
·
Problems
·
Simulations
·
Math Wiki
·
High School
Fermi
›
Problems
Mathematics
Mathematics
Problem
If
y
=
1
∣
x
−
1
∣
y=\dfrac{1}{|x-1|}
y
=
∣
x
−
1∣
1
for
x
≠
1
x\ne1
x
=
1
, what is the range of
y
y
y
? a)
(
0
,
1
]
(0,1]
(
0
,
1
]
b)
(
0
,
∞
)
(0,\infty)
(
0
,
∞
)
c)
[
1
,
∞
)
[1,\infty)
[
1
,
∞
)
d)
R
∖
{
0
}
\mathbb R\setminus\{0\}
R
∖
{
0
}
Browse the problem library