Fermi
·
Concept Library
·
Courses
·
Books
·
Problems
·
Simulations
·
Math Wiki
·
High School
Fermi
›
Problems
Mathematics
Mathematics
Problem
For the polynomial
r
(
x
)
=
x
4
−
8
x
2
+
9
r(x)=x^{4}-8x^{2}+9
r
(
x
)
=
x
4
−
8
x
2
+
9
: (i) Find its minimum value. (ii) Hence, write its range.
Browse the problem library