Math Problem Statement
uppose the function fsxd 5 50 2 9x 1 x4 y30 describes a physical situation that makes sense only for whole numbers between 0 and 10. For what value of x does f reach a minimum, and what is the minimum value? (Suggestion: We suggest beginning with a table starting at 0 with a table increment of 1 and then panning further down the table.)
Solution
It seems like the function you're referring to is incomplete or has some typographical errors. However, I can reconstruct the problem and solve it step by step. Based on what you’ve written, I believe the function might be similar to this:
This is a quadratic function, which typically represents a parabola. Since the coefficient of is positive (5), the parabola opens upwards, meaning that it has a minimum point.
Let's solve for the value of where reaches a minimum and compute the corresponding minimum value.
Step 1: Find the vertex of the parabola
For a quadratic function in the form:
The -coordinate of the vertex, which gives the minimum (or maximum) point for the parabola, is found using the formula:
For our function , we have:
Substitute these values into the formula:
Thus, the value of where the function reaches its minimum is .
Step 2: Find the minimum value of the function
Now, substitute back into the original function to find the minimum value:
Conclusion:
- The function reaches its minimum value at .
- The minimum value of the function is .
Would you like more details or have any questions about this solution?
Here are 5 related questions for further exploration:
- What does the vertex of a quadratic function represent in real-world problems?
- How can we determine if a quadratic function opens upwards or downwards?
- What is the axis of symmetry in a quadratic function, and how is it related to the vertex?
- How can the discriminant be used to analyze the nature of the roots of a quadratic equation?
- What other methods can be used to find the minimum value of a quadratic function?
Tip: For any quadratic function, the vertex is always the critical point, and its coordinates can be found easily using . This gives you valuable insights into the function's behavior.
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Math Problem Analysis
Mathematical Concepts
Algebra
Quadratic Functions
Optimization
Formulas
Standard form of a quadratic function: f(x) = ax^2 + bx + c
Vertex formula: x = -b / 2a
Theorems
Vertex Theorem for Quadratic Functions
Suitable Grade Level
Grades 9-10
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