Math Problem Statement
A quadratic function y, equals, f, of, xy=f(x) is plotted on a graph and the vertex of the resulting parabola is left parenthesis, 4, comma, minus, 5, right parenthesis(4,−5). What is the vertex of the function defined as g, of, x, equals, f, of, x, plus, 2, plus, 2g(x)=f(x+2)+2?
Solution
To find the vertex of the new function , let's analyze how this transformation affects the vertex of the original function .
Step-by-Step Solution
-
Original Vertex of :
- The vertex of is at .
-
Horizontal Shift due to :
- Replacing with in shifts the graph horizontally to the left by 2 units.
- Therefore, the -coordinate of the vertex shifts from to .
-
Vertical Shift due to :
- Adding 2 to results in a vertical shift upward by 2 units.
- Thus, the -coordinate of the vertex shifts from to .
-
New Vertex of :
- After both transformations, the vertex of is at .
Final Answer
The vertex of the function is:
Would you like further details on transformations or have any questions?
Here are some additional questions related to this problem:
- How does changing to generally affect the graph of a function?
- What happens to the vertex of if we change ?
- How would a reflection over the x-axis affect the vertex of ?
- What impact does multiplying by a constant have on the graph’s shape and vertex position?
- Can we determine the axis of symmetry for based on the vertex?
Tip: Remember, horizontal shifts in functions affect the x-coordinates, while vertical shifts adjust the y-coordinates of important points like the vertex.
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Math Problem Analysis
Mathematical Concepts
Algebra
Quadratic Functions
Function Transformations
Formulas
Vertex form of a quadratic function: y = a(x - h)^2 + k
Theorems
Vertex transformation theorem
Suitable Grade Level
Grades 9-10