A local extremum is not necessarily a global extremum. A local extremum is a point where the function reaches a maximum or minimum value within a small neighborhood, but it may not be the highest or lowest point in the entire function. A global extremum, on the other hand, is the highest or lowest point in the entire function. Therefore, a local extremum may or may not be a global extremum, depending on the behavior of the function in the larger context. **

A global extremum is the highest or lowest value of a function over its entire domain. For a function with a global maximum, there is no other point in the domain where the function takes a higher value. Similarly, for a function with a global minimum, there is no other point in the domain where the function takes a lower value. Global extrema are important in optimization problems and can provide valuable information about the behavior of a function. **

Extremum problems are mathematical problems that involve finding the maximum or minimum value of a function. These problems typically involve optimizing a certain quantity, such as maximizing profit or minimizing cost. Extremum problems are commonly encountered in various fields such as economics, engineering, and physics, where finding the optimal solution is crucial for decision-making and problem-solving. The process of solving extremum problems often involves using calculus techniques such as differentiation to find critical points where the function reaches its maximum or minimum value. **

No, not all global extremum points are also local extremum points of polynomial functions. Global extremum points are the highest or lowest points on the entire function, while local extremum points are the highest or lowest points within a specific interval. A polynomial function can have global extremum points that are not local extremum points if the function continues to increase or decrease beyond the local extremum point. **

A quadratic extremum problem is a type of optimization problem that involves finding the maximum or minimum value of a quadratic function. The function is typically in the form of f(x) = ax^2 + bx + c, where a, b, and c are constants and x is the variable. The goal is to find the value of x that results in the maximum or minimum value of the function. This type of problem is commonly encountered in mathematics, engineering, and economics, and can be solved using techniques such as completing the square, factoring, or using the quadratic formula. **

A saddle point is a point on a surface where the surface curves up in one direction and down in another, resembling the shape of a saddle. It is a point where the surface has neither a maximum nor a minimum value. An extremum, on the other hand, refers to the maximum or minimum value of a function. It can be a local extremum, where the function has a maximum or minimum value within a specific interval, or a global extremum, where the function has the maximum or minimum value over its entire domain. **

Extremum problems in mathematics involve finding the maximum or minimum value of a function. These problems are often solved by taking the derivative of the function and setting it equal to zero to find critical points. By analyzing these critical points and the endpoints of the interval, one can determine the maximum or minimum value of the function. Extremum problems are commonly encountered in optimization, physics, economics, and engineering. **

Extremum problems with constraints involve finding the maximum or minimum value of a function while satisfying certain constraints. These constraints can be inequalities or equalities that restrict the possible solutions to the problem. The goal is to optimize the function within the given constraints to find the best possible solution. Extremum problems with constraints are commonly encountered in various fields such as economics, engineering, and mathematics. **