Free Applied-Algebra braindumps download (Applied-Algebra exam dumps Free Updated Aug 21, 2026) [Q18-Q42]

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Free Applied-Algebra braindumps download (Applied-Algebra exam dumps Free Updated Aug 21, 2026)

Applied-Algebra Dumps for Pass Guaranteed – Pass Applied-Algebra Exam 2026

WGU Applied-Algebra Exam Syllabus Topics:

Section	Objectives
Topic 1: Validity of Models	– Determine fit – Determine validity – Examine utility
Topic 2: Graphical Depictions	– Interpret asymptotes for situations – Interpret rates of change for situations – Interpret maximum and minimum for situations – Interpret inputs and outputs for situations – Interpret concavity for situations
Topic 3: Functions and Algebra of Functions	– Derive conclusions based on data – Derive conclusions based on notation – Derive conclusions based on graphs
Topic 4: Exponential Functions	– Interpret rates of change for exponential functions – Interpret inputs and outputs for exponential functions – Interpret concavity for exponential functions
Topic 5: Linear Functions	– Interpret inputs and outputs of linear functions – Interpret rates of change for linear functions
Topic 6: Logistic Functions	– Interpret inputs and outputs for logistic functions – Interpret asymptotes for logistic functions – Interpret rates of change for logistic functions
Topic 7: Polynomial Functions	– Interpret rates of change for polynomial functions – Interpret concavity for polynomial functions – Interpret inputs and outputs for polynomial functions

QUESTION 18
Through a local marketplace, a person makes livestock feeders to sell. The graph shows the functions modeling the cost and revenue.

What is the minimum number of livestock feeders that must be sold in order for the revenue to cover the costs?

QUESTION 19
The spread of two viruses within a single population is modeled using the functions in the graph.

What is a correct conclusion based on the graph?

Virus B affects 20%of the population before virus A does.

Virus B affects 60%of the population before virus A does.

Virus B affects 70%of the population before virus A does.

Virus B affects 80%of the population before virus A does.

QUESTION 20
A set of data was gathered and used to create a model for the number of subscribers to a blog. The function model is f(x)=190× # 0.99 # ^x where xrepresents the number of years since 2003 and f(x)represents the number of subscribers.
What is the correct interpretation of the average rate of change of the number of subscribers from 2012 to
2015? Round to the nearest whole number, if necessary.

The number of subscribers decreases at an average rate of 171 subscribers per year.

The number of subscribers decreases at an average rate of 2 subscribers per year.

The number of subscribers increases at an average rate of 2 subscribers per year.

The number of subscribers increases at an average rate of 171 subscribers per year.

QUESTION 21
An exponential growth function can be used to model the number of bacteria in a population. The function G(t)=1,600× # 1.31 # ^t is the model, with Grepresenting the number of bacteria cells and trepresenting the time in minutes.
What is the size of the population after 25 minutes?

796,819

1,043,833

1,367,421

1,791,322

QUESTION 22
The scatterplot shows data on the number of visitors to a resort each week since opening. A regression function is graphed with r^2=0.99. The predicted number of visitors after 16.4weeks is 38.6.

Is this prediction appropriate?

No. The r^2value indicates a strong fit, but x=16.4is more than 50%of the range beyond the maximum value.

No. The r^2value indicates a moderate fit, but x=16.4is more than 25%of the range beyond the maximum value.

Yes. The r^2value indicates a strong fit, and x=16.4is within 50%of the range of the maximum value.

Yes. The r^2value indicates a moderate fit, and x=16.4is within 25%of the range of the maximum value.

QUESTION 23
The graph shows the daily practice duration for a musician, where the number of days since the beginning of the month is along the horizontal axis and the number of minutes practiced per day is along the vertical axis.

Based on the graph, what was the practice duration for day 8?

115 minutes

117 minutes

118 minutes

120 minutes

QUESTION 24
The temperature of an object changes according to the relationship in the graph.

Which equation represents the horizontal asymptote of the function?

x=25

y=25

x=525

y=525

QUESTION 25
The function p(t)represents the number of active players, p, in a game thours after 11:00 a.m. The graph of p(t) is shown.

What is one example of an interval for which the number of players is decreasing faster and faster?

t=1.2to t=5.3

t=8.6to t=9.0

t=8.7to t=10.7

t=11.2to t=11.5

QUESTION 26
The function P(t)represents the weekly profit, in thousands of dollars, for a rental store since opening. The graph of P(t)is shown.

When did the store have its maximum weekly profit?

Approximately 3 years after the store opened

Approximately 5.5 years after the store opened

Approximately 7 years after the store opened

Approximately 17 years after the store opened

QUESTION 27
The function a(x)represents the value of an investment account, where xis the number of years since the account was opened. The graph of the function is shown.

What is the total value when x=4?

$570.79

$763.84

$1,022.19

$1,830.59

QUESTION 28
The graph shows the number of customers, C(t), showing up to a store, where the number of hours since opening is along the horizontal axis and the number of customers showing up to the store each hour is along the vertical axis.

How can the concavity be described from t=6.2to t=10.1?

The number of customers increases faster and faster and then increases slower and slower.

The number of customers decreases slower and slower and then increases faster and faster.

The number of customers increases slower and slower and then increases faster and faster.

The number of customers increases slower and slower and then decreases faster and faster.

QUESTION 29
A researcher collected data on the average number of product returns per month to a company over time. The results are shown in the scatterplot. The graphed regression function has an r
2
value of 0.45.

Which range of x-values is appropriate for extrapolation?

x=3 to x=21

x=0 to x=24

Extrapolation is not appropriate because r
2
< 1.

Extrapolation is not appropriate because r
2
< 0.7.

QUESTION 30
Which statement correctly interprets u(8), given that u(t)=0.21t
3
#4.09t
2
+18.89t+69.5 represents the number of units, u, in an inventory warehouse t hours after 9:00 a.m.?

There are approximately 66 units in the inventory at 10:00 a.m.

There are approximately 66 units in the inventory at 5:00 p.m.

There are approximately 160 units in the inventory at 10:00 a.m.

There are approximately 160 units in the inventory at 5:00 p.m.

QUESTION 31
The graph shows the estimated wait time, in minutes, based on the number of hours after 7:00 a.m.
What is the average rate of change of the wait time from point Ato point B?

-23.3

-5.83

11.04

77.25

QUESTION 32
The logistic function f(x), whose graph is shown, models the number of registrants for an academic conference, where xrepresents the number of weeks since registration opened and f(x)represents the number of registrants.

How does the number of registrants change as time progresses from week 1 to week 7?

The number of registrants decreases slower and slower.

The number of registrants increases faster and faster.

The number of registrants increases slower and slower.

The number of registrants decreases faster and faster.

QUESTION 33
The populations, in thousands, of two towns are shown in the graph, where the horizontal axis measures the time in years.

Which town’s population is growing at a faster rate?

Town B, because 1.6 > 0.9

Town A, because 8.0 > 6.5

Town B, because 8.0 > 6.5

Town A, because 1.6 > 0.9

QUESTION 34
The number of property sales in a region this year is expected to be 3 times the number of property sales in the region last year. The function H(x) represents the number of property sales this year, where x represents the number of properties sold last year. Which notation represents the number of property sales this year, given that the number of properties sold last year was 280?

H(840)=280

H(280)=93

H(280)=840

H(93)=280

QUESTION 35
The function F(n) represents the relationship between the number of animals in two enclosures, where n is the number of animals in enclosure A and F is the number of animals in enclosure B. The number of animals in enclosure B is 20 more than the number of animals in enclosure A.
Which function represents this situation?

F(n)=n#20

F(n)=n/20

F(n)=n+20

F(n)=20n

QUESTION 36
The graph shows the value, O, in dollars, of an investment account over time.

What represents the value of the account after 8 years?

$476.54

$700.19

$1,028.81

$2,221.12

QUESTION 37
A coach is placing an order for team shirts. The graph shows the total cost based on the number of shirts.

What is the cost of each additional shirt?

$3.30

$14.00

$17.30

$47.00

QUESTION 38
The graph shows the number of books, N, checked out from a library each week. The number of weeks since the beginning of the year is on the horizontal axis, and the number of books checked out per week is on the vertical axis. Point A represents 165 books checked out in the first week, or N(0)=165. Which statement represents an accurate conclusion?
Exhibit:

Point B represents N(2.8)=177.

Point C represents N(5.6)=152.5.

Point D represents N(8.4)=142.5.

Point E represents N(11.2)=147.5.

QUESTION 39
The graph shows the number of trees sold by a nursery, where the number of days since the beginning of the month is along the horizontal axis and the number of trees sold per day is along the vertical axis. The greatest number of trees are sold when the temperature is over 70°F.

When was the temperature likely over 70°F?

The temperature was likely over 70°F on only day 2.

The temperature was likely over 70°F on only day 6.

The temperature was likely over 70°F on days 2 and 10.

The temperature was likely over 70°F on days 6 and 12.

QUESTION 40
The value of a collectible coin can be modeled by F(t), where t represents years since the number of years since the coin was found, and the vertical axis represents the value, in thousands of dollars.

How is the value of the coin changing over time based on the graph?

The value of the coin is decreasing faster and faster.

The value of the coin is increasing faster and faster.

The value of the coin is increasing slower and slower.

The value of the coin is decreasing slower and slower.

QUESTION 41
The number of new user accounts per day on a website is modeled by a decreasing exponential function. The graph of the function is shown.

Which statement is justified considering the location of the horizontal asymptote?

The number of daily new user accounts will change by a constant rate over time.

The greatest number of daily new user accounts occurs after 10 months.

The number of daily new user accounts will not decrease to 0.

The number of daily new user accounts changes the most after the first 5 months.

QUESTION 42
A new company just launched and is using the function M(t)to predict its market share after tyears. The graph of M(t)is shown.

When should the company expect to have a market share of 60%?