Find the formula for a quadratic function that satisfies the given conditions. Vertex (4,2) passing through the poin: (6,14) f(x) = ] (Simplify your answer.)

Algebra and Trigonometry (6th Edition)
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ISBN:9780134463216
Author:Robert F. Blitzer
Publisher:Robert F. Blitzer
ChapterP: Prerequisites: Fundamental Concepts Of Algebra
Section: Chapter Questions
Problem 1MCCP: In Exercises 1-25, simplify the given expression or perform the indicated operation (and simplify,...
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The task is to find the formula for a quadratic function that satisfies the given conditions: the vertex of the function is at the point (4, 2), and it passes through the point (6, 14).

### Problem Details:

- **Vertex**: (4, 2)
- **Point**: (6, 14)

The quadratic function can be expressed in vertex form as:
\[ f(x) = a(x - h)^2 + k \]

Where:
- \( (h, k) \) is the vertex of the parabola.
- \( a \) is a coefficient that determines the direction and width of the parabola.

### Steps:

1. **Substitute the Vertex into the Formula**:
   \[ f(x) = a(x - 4)^2 + 2 \]

2. **Use the Given Point to Find \( a \)**:
   Substitute point (6, 14) into the equation:
   \[ 14 = a(6 - 4)^2 + 2 \]

3. **Solve for \( a \)**:
   \[ 14 = a(2)^2 + 2 \]
   \[ 14 = 4a + 2 \]
   \[ 12 = 4a \]
   \[ a = 3 \]

4. **Write the Final Quadratic Function**:
   \[ f(x) = 3(x - 4)^2 + 2 \]

The answer box for input is provided below the question with options to simplify or clear the answer.
Transcribed Image Text:The task is to find the formula for a quadratic function that satisfies the given conditions: the vertex of the function is at the point (4, 2), and it passes through the point (6, 14). ### Problem Details: - **Vertex**: (4, 2) - **Point**: (6, 14) The quadratic function can be expressed in vertex form as: \[ f(x) = a(x - h)^2 + k \] Where: - \( (h, k) \) is the vertex of the parabola. - \( a \) is a coefficient that determines the direction and width of the parabola. ### Steps: 1. **Substitute the Vertex into the Formula**: \[ f(x) = a(x - 4)^2 + 2 \] 2. **Use the Given Point to Find \( a \)**: Substitute point (6, 14) into the equation: \[ 14 = a(6 - 4)^2 + 2 \] 3. **Solve for \( a \)**: \[ 14 = a(2)^2 + 2 \] \[ 14 = 4a + 2 \] \[ 12 = 4a \] \[ a = 3 \] 4. **Write the Final Quadratic Function**: \[ f(x) = 3(x - 4)^2 + 2 \] The answer box for input is provided below the question with options to simplify or clear the answer.
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