Fermi
·
Concept Library
·
Courses
·
Books
·
Problems
·
Simulations
·
Math Wiki
·
High School
Fermi
›
Problems
Mathematics
Mathematics
Problem
If
f
(
x
)
=
x
2
−
1
f(x)=x^{2}-1
f
(
x
)
=
x
2
−
1
, determine
f
(
f
(
2
)
)
f\bigl(f(2)\bigr)
f
(
f
(
2
)
)
. a)
9
9
9
b)
5
5
5
c)
8
8
8
d)
7
7
7
Browse the problem library