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Find the degree, the leading term, the leading coefficient, the constant term and the end behavior of the given polynomial. \(f(x)=\sqrt{3} x^{17}+22.5 x^{10}-\pi x^{7}+\frac{1}{3}\)

Short Answer

Expert verified
Degree: 17, Leading term: \(\sqrt{3}x^{17}\), Leading coefficient: \(\sqrt{3}\), Constant term: \(\frac{1}{3}\), End behavior: As \(x \to \pm\infty\), \(f(x)\to \pm\infty\).

Step by step solution

01

Identify the Degree

The degree of a polynomial is the highest power of the variable present when the polynomial is expressed in its standard form. In the given polynomial \( f(x) = \sqrt{3} x^{17} + 22.5 x^{10} - \pi x^{7} + \frac{1}{3} \), the highest degree term is \( x^{17} \). Thus, the degree of the polynomial is 17.
02

Determine the Leading Term

The leading term of a polynomial is the term with the highest degree. In the polynomial \( f(x) = \sqrt{3} x^{17} + 22.5 x^{10} - \pi x^{7} + \frac{1}{3} \), the leading term is \( \sqrt{3} x^{17} \) since it has the highest power of \( x \), which is 17.
03

Identify the Leading Coefficient

The leading coefficient is the coefficient of the term with the highest degree. For the polynomial \( f(x) = \sqrt{3} x^{17} + 22.5 x^{10} - \pi x^{7} + \frac{1}{3} \), the leading term is \( \sqrt{3} x^{17} \), and thus the leading coefficient is \( \sqrt{3} \).
04

Find the Constant Term

The constant term in a polynomial is the term that does not contain any variable. In the polynomial \( f(x) = \sqrt{3} x^{17} + 22.5 x^{10} - \pi x^{7} + \frac{1}{3} \), the constant term is \( \frac{1}{3} \).
05

Analyze the End Behavior

The end behavior of a polynomial is determined by the leading term. For large values of \( x \), the polynomial \( f(x) = \sqrt{3} x^{17} + 22.5 x^{10} - \pi x^{7} + \frac{1}{3} \) is dominated by its leading term \( \sqrt{3} x^{17} \). Since the degree is 17 (odd) and the leading coefficient \( \sqrt{3} \) is positive, as \( x \to +\infty \), \( f(x) \to +\infty \), and as \( x \to -\infty \), \( f(x) \to -\infty \).

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Key Concepts

These are the key concepts you need to understand to accurately answer the question.

Degree of a Polynomial
The degree of a polynomial is a vital concept that signifies the highest power of the variable present in the polynomial. Understanding this helps to comprehend the overall behavior of the polynomial expression. In the case of the polynomial \(f(x) = \sqrt{3} x^{17} + 22.5 x^{10} - \pi x^{7} + \frac{1}{3}\), we identify the degree by finding the term with the greatest exponent. Here, it is \(x^{17}\), which means the degree of the polynomial is 17. This indicates the polynomial has quite a large degree, suggesting it will have complex and steep changes as \(x\) alters.
Leading Term
The leading term of a polynomial is the term that contains the variable raised to the polynomial's highest power. It determines how the graph of the polynomial will behave especially as values grow larger or smaller. In \(f(x) = \sqrt{3} x^{17} + 22.5 x^{10} - \pi x^{7} + \frac{1}{3}\), the leading term is \(\sqrt{3} x^{17}\). This term \(\sqrt{3} x^{17}\) significantly influences the function's output values as \(x\) becomes very large or very small. The behavior and characteristics of this term largely define the symmetry, slope, and direction of the polynomial's graph.
Leading Coefficient
Calculating the leading coefficient of a polynomial is crucial as it affects both the shape and the scaling of the polynomial's graph. This coefficient is part of the leading term and directly influences the end behavior of the function. For \(f(x) = \sqrt{3} x^{17} + 22.5 x^{10} - \pi x^{7} + \frac{1}{3}\), the leading coefficient is \(\sqrt{3}\). As a positive coefficient, it indicates the graph will rise to positive infinity as \(x\) increases, and drop to negative infinity as \(x\) decreases. This coefficient plays a critical role, making the polynomial sensitive to scaling in the vertical direction.
Constant Term
The constant term in a polynomial is the number that has no accompanying variable—it remains static regardless of the input value of the variable \(x\). It is essential in setting the initial value or y-intercept of the polynomial on the graph when all \(x\)-values are zero. In our polynomial \(f(x) = \sqrt{3} x^{17} + 22.5 x^{10} - \pi x^{7} + \frac{1}{3}\), the constant term is \(\frac{1}{3}\). This number plays an important role in determining where the graph intersects the y-axis, serving as a foundational point in graphing the polynomial.
End Behavior
Understanding the end behavior of a polynomial helps predict how the polynomial behaves as \(x\) approaches very large positive or negative values. It's particularly driven by the leading term, as it overshadows other terms when \(x\) is extreme. For \(f(x) = \sqrt{3} x^{17} + 22.5 x^{10} - \pi x^{7} + \frac{1}{3}\), the end behavior is determined by \(\sqrt{3} x^{17}\). Since 17 is odd and \(\sqrt{3}\) is positive, as \(x\) becomes large and positive, \(f(x)\) soars towards positive infinity. Conversely, as \(x\) transitions to large negatives, \(f(x)\) declines towards negative infinity. This understanding is crucial for graphing, as it indicates the overarching trend of the polynomial.

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Most popular questions from this chapter

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