Math Problem Statement
Solution
In the image, you are asked to use the graph to determine several properties of the function:
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Function's Domain: The domain represents all possible values of for which the function is defined. From the graph (a parabola), it seems like the function is defined for all real values of , meaning the domain is:
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Function's Range: The range represents all possible values of . The graph of the parabola has its vertex at the point and opens upwards. Therefore, the smallest value of is , and it increases without bound. The range is:
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X-Intercepts: X-intercepts are points where the graph crosses the -axis (where ). From the graph, the parabola appears to cross the -axis at approximately and . Therefore, the x-intercepts are:
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Y-Intercept: The y-intercept is where the graph crosses the -axis (where ). From the graph, the parabola crosses the -axis at . Therefore, the y-intercept is:
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Missing Function Values: You are asked to find and . From the graph:
- At , the graph shows that .
- At , the graph also shows that .
To summarize:
- Domain:
- Range:
- X-Intercepts:
- Y-Intercept:
Let me know if you'd like more details or have questions!
Here are five additional related questions for practice:
- What is the vertex form of the parabola shown?
- How do you calculate the axis of symmetry of the parabola?
- How would the graph change if the parabola opened downward instead of upward?
- How do you find the focus and directrix of a parabola given its equation?
- What does the discriminant of the quadratic function tell you about its x-intercepts?
Tip: Always look at the vertex of the parabola first to understand its direction and lowest/highest point when determining the range.
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Math Problem Analysis
Mathematical Concepts
Algebra
Quadratic Functions
Graph Analysis
Formulas
y = ax^2 + bx + c
Vertex form: y = a(x - h)^2 + k
Theorems
Quadratic Formula
Properties of Parabolas
Suitable Grade Level
Grades 9-11
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