MathDB
Problems
Contests
National and Regional Contests
USA Contests
MAA AMC
AIME Problems
1983 AIME Problems
2
Absolute Value
Absolute Value
Source:
November 10, 2005
search
function
absolute value
complex numbers
Problem Statement
Let
f
(
x
)
=
∣
x
−
p
∣
+
∣
x
−
15
∣
+
∣
x
−
p
−
15
∣
f(x) = |x - p| + |x - 15| + |x - p - 15|
f
(
x
)
=
∣
x
−
p
∣
+
∣
x
−
15∣
+
∣
x
−
p
−
15∣
, where
0
<
p
<
15
0 < p < 15
0
<
p
<
15
. Determine the minimum value taken by
f
(
x
)
f(x)
f
(
x
)
for
x
x
x
in the interval
p
≤
x
≤
15
p \le x \le 15
p
≤
x
≤
15
.
Back to Problems
View on AoPS