Calculus: Early Transcendentals
Calculus: Early Transcendentals
8th Edition
ISBN: 9781285741550
Author: James Stewart
Publisher: Cengage Learning
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Question

Graph the following, then find the real zeros of f and their multiplicities. State whether the graph of f crosses or touches the x-axis of each zero(show your work)

The function given is:

\[ f(x) = x^2 (x^2 - 9)(3x + 5)^3 \]

This expression represents a polynomial function composed of multiple factors:

1. **\(x^2\)**: This is a basic quadratic expression featuring a power of two on the variable \(x\).

2. **\((x^2 - 9)\)**: This is a quadratic expression that can be factored further into \((x + 3)(x - 3)\) using the difference of squares formula.

3. **\((3x + 5)^3\)**: This indicates a cubic expression where the linear term \(3x + 5\) is raised to the third power, suggesting a triple root.

Each factor contributes to the overall shape and behavior of the function, including its roots, and influences its derivatives and integrals.
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Transcribed Image Text:The function given is: \[ f(x) = x^2 (x^2 - 9)(3x + 5)^3 \] This expression represents a polynomial function composed of multiple factors: 1. **\(x^2\)**: This is a basic quadratic expression featuring a power of two on the variable \(x\). 2. **\((x^2 - 9)\)**: This is a quadratic expression that can be factored further into \((x + 3)(x - 3)\) using the difference of squares formula. 3. **\((3x + 5)^3\)**: This indicates a cubic expression where the linear term \(3x + 5\) is raised to the third power, suggesting a triple root. Each factor contributes to the overall shape and behavior of the function, including its roots, and influences its derivatives and integrals.
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