Math Problem Statement
Solution
Let's analyze the given polynomial function:
Step 1: Finding the Zeros
The zeros of the function occur when . Setting the equation equal to zero:
This equation will be zero when either factor equals zero:
- gives .
- gives .
Thus, the zeros are and .
Step 2: Determining Multiplicities
- comes from the factor , which is raised to the power of 1. Therefore, its multiplicity is 1.
- comes from the factor , which is raised to the power of 2. Therefore, its multiplicity is 2.
Step 3: Behavior at the Zeros
- At (multiplicity 1), the graph crosses the x-axis because the multiplicity is odd.
- At (multiplicity 2), the graph touches the x-axis and turns around because the multiplicity is even.
Step 4: Answering the Multiple-Choice Question
In the multiple-choice options, the correct choice is:
- A: There are two zeros. The multiplicity of the largest zero (in absolute value, ) is 2. The multiplicity of the smallest zero (in absolute value, ) is 1.
Do you need further clarification or details?
Here are 5 related questions for practice:
- How would the graph change if the multiplicity of was 3 instead of 2?
- What are the end behaviors of the function ?
- How does the negative sign in front of the function affect the graph?
- What happens to the graph if becomes ?
- How do you find the y-intercept of this function?
Tip: For polynomial functions, zeros with odd multiplicities cross the x-axis, while zeros with even multiplicities touch and turn around at the x-axis.
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Math Problem Analysis
Mathematical Concepts
Polynomial Functions
Zeros of Functions
Multiplicity
Formulas
Zero of a polynomial: Set f(x) = 0
Multiplicity: The exponent of the factor associated with each zero
Theorems
Fundamental Theorem of Algebra
Suitable Grade Level
Grades 9-12
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