Math Problem Statement
Solution
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Math Problem Analysis
Mathematical Concepts
Calculus
Derivatives
Increasing/Decreasing Functions
Trigonometry
Formulas
Derivative of f(x) = x + 2sin(x)
f'(x) = 1 + 2cos(x)
Theorems
Critical points
Sign test for derivatives
Suitable Grade Level
Grades 11-12 (High School Calculus)
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