Fermi
·
Concept Library
·
Courses
·
Books
·
Problems
·
Simulations
·
Math Wiki
·
High School
Fermi
›
Problems
Mathematics
Mathematics
Problem
Define a relation
F
F
F
from
A
=
{
0
,
1
,
4
}
A=\{0,1,4\}
A
=
{
0
,
1
,
4
}
to
R
\mathbb R
R
by
F
=
{
(
x
,
y
)
:
y
=
±
x
}
F=\{(x,y):y= \pm\sqrt{x}\}
F
=
{(
x
,
y
)
:
y
=
±
x
}
. Is
F
F
F
a function from
A
A
A
to
R
\mathbb R
R
? Explain why or why not.
Browse the problem library