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Purple Comet Problems
2017 Purple Comet Problems
16
Purple Comet 2017 MS Problem 16
Purple Comet 2017 MS Problem 16
Source:
April 14, 2018
Purple Comet
Problem Statement
The set of positive real numbers
x
x
x
that satisfy 2 | x^2 - 9 | \le 9 | x | is an interval
[
m
,
M
]
[m, M]
[
m
,
M
]
. Find
10
m
+
M
10m + M
10
m
+
M
.
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