Math Problem Statement
Solution
The given problem requires sketching the graphs of three functions on the same coordinate plane and verifying with a graphing utility. The functions provided are:
Let's break down each function:
1.
This is a standard quadratic function in vertex form, shifted to the right by 3 units. The vertex is at , and since the coefficient of is positive, the parabola opens upwards.
2.
This is also a quadratic function in vertex form, shifted to the left by 3 units (due to ) and up by 3 units (because of the outside the square). The vertex is at , and the parabola opens upwards.
3.
This quadratic function is reflected over the x-axis (because of the negative sign in front of the square), and it is shifted 3 units to the right and 4 units downward. The vertex is at , and the parabola opens downward.
Summary of Transformations:
- : Shifted right 3 units, vertex at , opens upwards.
- : Shifted left 3 units and up 3 units, vertex at , opens upwards.
- : Shifted right 3 units and down 4 units, vertex at , opens downwards.
Sketching:
- For , plot the vertex at and sketch an upward-opening parabola.
- For , plot the vertex at and sketch another upward-opening parabola.
- For , plot the vertex at and sketch a downward-opening parabola.
Would you like me to generate the graphs or explain the next steps in more detail?
Related Questions:
- How do you find the vertex of a quadratic function in vertex form?
- What effect does the sign of the leading coefficient have on the direction of a parabola?
- How do horizontal and vertical shifts affect the graph of a quadratic function?
- Can the vertex of a quadratic function be used to solve maximum or minimum problems?
- How do reflections over the x-axis affect the shape of a parabola?
Tip:
When sketching quadratic functions, always identify the vertex and axis of symmetry first, as they give the key points to guide the sketch.
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Math Problem Analysis
Mathematical Concepts
Graphing Quadratic Functions
Vertex Form
Transformations of Quadratic Functions
Formulas
Vertex Form of a Quadratic Function: y = a(x - h)^2 + k
Theorems
Transformations of Functions: Horizontal Shift, Vertical Shift, Reflection
Suitable Grade Level
Grades 9-12
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