Fermi
·
Concept Library
·
Courses
·
Books
·
Problems
·
Simulations
·
Math Wiki
·
High School
Fermi
›
Problems
Mathematics
Mathematics
Problem
Consider a function
f
f
f
for which
f
(
3
)
=
7
f(3)=7
f
(
3
)
=
7
. Which one of the following statements is correct? a)
3
3
3
is the image of
7
7
7
b)
7
7
7
belongs to the domain of
f
f
f
c)
3
3
3
is the preimage of
7
7
7
d)
7
7
7
is the preimage of
3
3
3
Browse the problem library