Free PDF 2026 WGU Applied-Algebra: Fantastic Test WGU Applied Algebra FXO2 PFXP C957 Questions Vce

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WGU Applied-Algebra Exam Syllabus Topics:

SectionObjectives
Topic 1: Exponential and Logarithmic Concepts- Logarithmic Basics
  • 1. Conversion between exponential and logarithmic form
    • 2. Logarithm properties
      - Exponential Functions
      • 1. Exponential equations
        • 2. Growth and decay models
          Topic 2: Foundations of Algebra- Equations and Inequalities
          • 1. Inequalities and interval notation
            • 2. Linear equations in one variable
              - Algebraic Expressions
              • 1. Simplifying expressions
                • 2. Evaluating expressions
                  • 3. Order of operations
                    Topic 3: Polynomial and Rational Expressions- Rational Expressions
                    • 1. Simplification
                      • 2. Restrictions on variables
                        - Polynomials
                        • 1. Operations with polynomials
                          • 2. Factoring techniques
                            Topic 4: Functions and Graphs- Function Concepts
                            • 1. Function notation
                              • 2. Domain and range
                                - Graphing Functions
                                • 1. Coordinate plane interpretation
                                  • 2. Transformations of graphs
                                    Topic 5: Linear Functions and Systems- Systems of Equations
                                    • 1. Substitution method
                                      • 2. Elimination method
                                        - Linear Equations
                                        • 1. Slope-intercept form
                                          • 2. Point-slope form

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                                            Top Test Applied-Algebra Questions Vce | Professional Applied-Algebra Accurate Answers: WGU Applied Algebra FXO2 PFXP C957 100% Pass

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                                            WGU Applied Algebra FXO2 PFXP C957 Sample Questions (Q18-Q23):

                                            NEW QUESTION # 18
                                            The number of acres affected by an invasive species can be modeled using the logistic function f(x), where xrepresents the number of months since the species was introduced and f(x)represents the number of affected acres. The graph of f(x)is shown.

                                            What happens as time progresses from month 2 to month 6?

                                            Answer: D

                                            Explanation:
                                            This is also a logistic growth curve.
                                            Analyze the interval from month 2 to month 6:
                                            The graph is increasing during this time.
                                            The curve is becoming steeper, meaning the slope is increasing.
                                            This indicates the rate of change is getting larger over time.
                                            So, the number of affected acres is:
                                            " increasing faster and faster "
                                            This corresponds to the early-to-middle growth phase of a logistic function.


                                            NEW QUESTION # 19
                                            A researcher collected data on the number of daily posts on a blog. The results are shown in the scatterplot.
                                            The graphed regression function has an r
                                            2
                                            value of 0.89.

                                            Is it appropriate to make a prediction for the number of daily posts after 18.6 months?

                                            Answer: C

                                            Explanation:
                                            The value r2=0.89 indicates a strong fit because it is close to 1. A strong fit means the regression function follows the scatterplot data closely enough to support reasonable prediction. The question asks whether a prediction at x=18.6 months is appropriate. This value is outside the observed data range, so the prediction involves extrapolation. For a strong regression model, extrapolation can be acceptable if the new x-value is not too far beyond the maximum observed value. Here, x=18.6 is within 50% of the range beyond the maximum value, so the prediction is considered appropriate. Therefore, the correct answer is C.


                                            NEW QUESTION # 20
                                            The number of letters processed daily at a mail center is modeled by the decreasing exponential function shown in the graph.

                                            What is the long-term trend in the number of letters processed per day, based on the equation of the horizontal asymptote?

                                            Answer: B

                                            Explanation:
                                            The graph shows a decreasing exponential function.
                                            In Applied Algebra, a decreasing exponential function may approach a fixed value over time. This fixed value is called the horizontal asymptote.
                                            The horizontal asymptote represents the long-term value that the function gets closer and closer to, but does not necessarily cross or reach exactly.
                                            From the graph, the curve decreases quickly at first, then begins to level off near:
                                            y=1,000
                                            This means that as time continues, the number of letters processed per day approaches:
                                            1,000
                                            So the long-term trend is that the mail center will process about:
                                            1,000 " letters per day "


                                            NEW QUESTION # 21
                                            The traffic flow on a roadway after 8:00 a.m. is modeled by the graphed exponential function.

                                            Which conclusion is valid, based on the horizontal asymptote?

                                            Answer: D

                                            Explanation:
                                            The graph shows an exponential decay model for traffic flow. A horizontal asymptote represents the long- term value the function approaches. In this case, the graph decreases but levels off above zero. Because the horizontal asymptote is above the horizontal axis, the model predicts that the traffic flow approaches a positive number rather than decreasing all the way to zero. Exponential functions do not change by a constant additive rate; that is a property of linear functions. Instead, exponential models change by a constant factor.
                                            Therefore, statements about constant rate are not valid here. The valid conclusion based on the asymptote is that the traffic flow will not decrease to 0 vehicles per hour. The correct answer is B.


                                            NEW QUESTION # 22
                                            A researcher collected data on the number of books donated per month to a thrift store over time. The results are shown in the scatterplot. A regression function is graphed with r
                                            2
                                            =0.99.

                                            Which range of x-values is appropriate for extrapolation?

                                            Answer: B

                                            Explanation:
                                            The value r
                                            2
                                            =0.99 indicates a very strong regression fit because it is close to 1. A strong fit means the model explains most of the variation in the data, so limited extrapolation can be appropriate. However, extrapolation should stay close to the observed data range. From the scatterplot, the data values appear to run from about x=5 to x=15. A reasonable extrapolation range extends slightly beyond those observed values, not too far outside them. The interval x=2.5 to x=17.5 stays close to the original data and is more appropriate than the wider interval x=0 to x=20. Therefore, the correct answer is B.


                                            NEW QUESTION # 23
                                            ......

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