Math Problem Statement
已知函数f(x) 3x2+4 +1,求证: 1.函数 f(z) 在实数域上只有一个极值点。 2. 求出该极值点,并讨论f(z)在该极值点附近的单调性。
Solution
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Math Problem Analysis
Mathematical Concepts
Algebra
Calculus
Quadratic Functions
Derivative
Formulas
Quadratic function: ax^2 + bx + c
Derivative: f'(x) = 6x + 4
Theorems
Derivative test for critical points
Nature of quadratic functions
Suitable Grade Level
Grades 10-12
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