Applied-Algebra Reliable Braindumps, Vce Applied-Algebra File

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WGU Applied-Algebra Exam Syllabus Topics:

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

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WGU Applied Algebra FXO2 PFXP C957 Sample Questions (Q40-Q45):

NEW QUESTION # 40
In the graph showing the number of new customer accounts, the horizontal axis shows the number of weeks since the beginning of winter and the vertical axis shows the number of new customer accounts. More customer accounts are opened during snowy weeks than during weeks without snow.

When was it likely snowy?

A. It was likely snowy during only week 1.
B. It was likely snowy during weeks 7 and 14.
C. It was likely snowy during weeks 1 and 5.
D. It was likely snowy during only week 7.

Answer: B

Explanation:
This question asks us to interpret unusually high values on a graph. The problem states that more customer accounts are opened during snowy weeks than during weeks without snow. Therefore, the likely snowy weeks correspond to the peaks on the graph, where the number of new customer accounts is noticeably higher than surrounding weeks. The graph shows clear spikes at approximately week 7 and week 14. These weeks have higher account openings compared with nearby weeks, making them the best evidence of snowy conditions.
Week 1 and week 5 do not match the main peaks shown in the graph. Since the snowy weeks should correspond to the highest customer-account values, the correct answer is D.

NEW QUESTION # 41
The scatterplot shows data on the popularity of a blog post over time. The graphed regression function has an r2value of 0.42.

Is it appropriate to make a prediction for the number of daily blog post views after 12.4 days?

A. Yes. The r2value indicates a moderate fit, and x=12.4 is within 25% of the range of the maximum value.
B. No. The r2value indicates a strong fit, but x=12.4 is more than 50% of the range beyond the maximum value.
C. Yes. The r2value indicates a strong fit, and x=12.4 is within 50% of the range of the maximum value.
D. No. The r2value indicates a moderate fit, but x=12.4 is more than 25% of the range beyond the maximum value.

Answer: D

Explanation:
Explanation:The regression model has r2=0.42, which indicates a moderate fit. This means the model captures some of the pattern in the data, but it is not strong enough to support distant predictions. The proposed prediction is for x=12.4 days, which lies beyond the largest observed x-value in the scatterplot. Since the model is only moderate, acceptable extrapolation must remain close to the original data range. The value x=12.4 is more than 25% of the range beyond the maximum observed value, so it is too far outside the data for a reliable prediction. Therefore, the prediction is not appropriate. The correct answer is B.

NEW QUESTION # 42
In the following graph showing the elevation profile, F(d), for a mountain biking course, the horizontal axis shows the number of miles since the start of the course and the vertical axis shows the elevation in feet.

How can the concavity be described from d=10 to d=13.1?

A. The elevation increases slower and slower and then decreases faster and faster.
B. The elevation decreases faster and faster and then decreases slower and slower.
C. The elevation decreases slower and slower and then decreases faster and faster.
D. The elevation decreases slower and slower and then increases faster and faster.

Answer: A

Explanation:
This question asks for a description of concavity and rate of change on a specific interval. From d=10 to part of the interval, the elevation is increasing, but the graph becomes less steep as it approaches a local maximum.
That means the elevation increases slower and slower. After the peak, the graph begins to decrease, and the downward slope becomes steeper. This means the elevation decreases faster and faster. The correct statement must describe both parts of the interval in order: first increasing at a slowing rate, then decreasing at an increasing rate. The other answer choices either reverse the behavior or describe the wrong direction of change. Therefore, the correct answer is A.

NEW QUESTION # 43
The number of tasks completed by computer B is 12 more than the number of tasks completed by computer A. Let F(x)represent the relationship between the number of tasks completed by the two computers, where xis the number of tasks completed by computer A and Fis the number of tasks completed by computer B.
Which function represents this situation?

A. F(x)=x/12
B. F(x)=x-12
C. F(x)=x+12
D. F(x)=12x

Answer: C

Explanation:
We are told that computer B completes 12 more tasks than computer A.
Let:
x= " number of tasks completed by computer A "
and
F(x)= " number of tasks completed by computer B "
The phrase "12 more than" means add 12 to the original amount:
F(x)=x+12
So, if computer A completes xtasks, computer B completes:
x+12
tasks.
For example, if computer A completed 50 tasks, then computer B completed:
F(50)=50+12=62
Therefore, the correct answer is:
# ( " B " )

NEW QUESTION # 44
The function f(n) represents the relationship between the distances traveled by two vehicles, where n is the distance traveled by vehicle A and f is the distance traveled by vehicle B. The distance traveled by vehicle B is 17 more than the distance traveled by vehicle A.
Which function represents this situation?

A. f(n)=17n
B. f(n)=n/17
C. f(n)=n+17
D. f(n)=n#17

Answer: C

NEW QUESTION # 45
......

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