# Which Of The Following Polynomial Functions Is Graphed Below

## Understanding Polynomial Functions and Graphs

Polynomial functions are a fundamental concept in mathematics and play a crucial role in various fields, including engineering, physics, and computer science. These functions are expressed as an equation in the form of f(x) = anxn + an-1xn-1 + … + a1x + a0, where ‘a’ represents the coefficients and ‘n’ is a non-negative integer that represents the degree of the polynomial.

Polynomial functions can have different shapes and forms, each of which can be graphed to visualize its behavior and characteristics. In this article, we will explore the graph of a polynomial function and determine which of the following polynomial functions is graphed below.

## Identifying the Graphed Polynomial Function

In the image below, we are presented with a graph representing a polynomial function. The task at hand is to determine which of the following polynomial functions corresponds to the graph:

1. f(x) = 2x3 – 3x2 – 2x + 3
2. g(x) = -x4 + 4x3 – 4x2 – 2
3. h(x) = x3 – 2x2 – 3x + 2
4. k(x) = -2x4 + 3x3 + 4x2 – 3x – 1

Let’s analyze the graph and characteristics of each polynomial function to determine which one aligns with the given graph.

## Characteristics of the Graphed Polynomial Function

To identify the graphed polynomial function, we need to consider various aspects of the graph, such as its shape, turning points, and end behavior. By examining these features, we can match the graph to its corresponding polynomial function.

End Behavior: The end behavior of a polynomial function is determined by the leading term of the polynomial. It provides insight into the direction in which the graph extends as x approaches positive or negative infinity.

Turning Points: Turning points are the locations on the graph where the direction changes from increasing to decreasing, or vice versa. These are often associated with the roots or zeros of the polynomial function.

Degree and Leading Coefficient: The degree of the polynomial function and the leading coefficient play a significant role in shaping the graph and determining its overall behavior.

## Comparing Each Polynomial Function

Let’s analyze each polynomial function and compare its characteristics with the given graph to determine which one corresponds to the graph.

1. f(x) = 2x3 – 3x2 – 2x + 3
– Degree: 3
– End Behavior: As x approaches positive infinity, f(x) approaches positive infinity due to the positive leading coefficient. As x approaches negative infinity, f(x) approaches negative infinity.
– Turning Points: The graph will have up to two turning points due to the odd degree.
– Characteristics: It is a cubic polynomial with a positive leading coefficient.

2. g(x) = -x4 + 4x3 – 4x2 – 2
– Degree: 4
– End Behavior: As x approaches positive infinity, g(x) approaches negative infinity due to the negative leading coefficient. As x approaches negative infinity, g(x) approaches negative infinity.
– Turning Points: The graph will have up to three turning points due to the even degree.
– Characteristics: It is a quartic polynomial with a negative leading coefficient.

3. h(x) = x3 – 2x2 – 3x + 2
– Degree: 3
– End Behavior: As x approaches positive infinity, h(x) approaches positive infinity due to the positive leading coefficient. As x approaches negative infinity, h(x) approaches negative infinity.
– Turning Points: The graph will have up to two turning points due to the odd degree.
– Characteristics: It is a cubic polynomial with a positive leading coefficient.

4. k(x) = -2x4 + 3x3 + 4x2 – 3x – 1
– Degree: 4
– End Behavior: As x approaches positive infinity, k(x) approaches negative infinity due to the negative leading coefficient. As x approaches negative infinity, k(x) approaches negative infinity.
– Turning Points: The graph will have up to three turning points due to the even degree.
– Characteristics: It is a quartic polynomial with a negative leading coefficient.

## Analysis of the Given Graph

Now that we have analyzed the characteristics of each polynomial function, we can compare them to the given graph to determine which one aligns with the graph’s behavior and shape.

By examining the end behavior, turning points, degree, and leading coefficient of the given graph, we can make the following observations:

– The given graph has a behavior that resembles a cubic polynomial rather than a quartic polynomial.
– The end behavior of the graph suggests that it aligns with a polynomial function with a positive leading coefficient.
– The number of turning points on the graph is consistent with a polynomial function of degree 3.

Based on these observations, it can be inferred that the graphed polynomial function corresponds to f(x) = 2x3 – 3x2 – 2x + 3.

## Conclusion

In conclusion, the graphed polynomial function aligns with the polynomial function f(x) = 2x3 – 3x2 – 2x + 3 based on its end behavior, turning points, degree, and leading coefficient. Understanding the characteristics and behavior of polynomial functions allows us to visually analyze and identify the corresponding function for a given graph.

By exploring the relationship between polynomial functions and their graphs, we gain a deeper understanding of their properties and how they can be utilized in various mathematical and real-world applications.

Determining the correct polynomial function based on a given graph demonstrates the practical use of mathematical concepts and the ability to interpret visual representations of functions. This skill is valuable in fields such as engineering, economics, and physics, where mathematical models are used to analyze and solve real-world problems.

Overall, the process of identifying a graphed polynomial function involves a comprehensive analysis of its characteristics, which can be applied to various scenarios to gain valuable insights and make informed decisions.

In summary, the graphed polynomial function represents f(x) = 2x3 – 3x2 – 2x + 3, making it the corresponding function to the given graph.

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