Fermi
·
Concept Library
·
Courses
·
Books
·
Problems
·
Simulations
·
Math Wiki
·
High School
Fermi
›
Problems
Problem
Problem
If
f
(
x
)
=
a
x
7
+
b
x
3
+
c
x
−
5
;
a
,
b
,
c
f(x)=ax^7+bx^3+cx-5;\ a,b,c
f
(
x
)
=
a
x
7
+
b
x
3
+
c
x
−
5
;
a
,
b
,
c
are real constants and
f
(
−
7
)
=
7
f(-7)=7
f
(
−
7
)
=
7
then maximum value of
∣
f
(
7
)
+
17
cos
x
∣
|f(7)+17\cos x|
∣
f
(
7
)
+
17
cos
x
∣
is
Browse the problem library