WGU C957 APPLIED ALGEBRA OA EXAM 2024
WITH QUESTIONS AND CORRECT DETAILED
ANSWERS
The following graph shows the profits of a company for the last fiscal year.
Approximately how much have the company's profits increased over the last
year? - CORRECT ANSWER 30%
Black Monday occurred on October 19, 1987, and represents the single
largest decline of the Dow Jones average in history.The function f
represents a seven-month period during which Black Monday occurred.
The function value f(1) represents the Dow Jones average in June of 1987.
Which function value represents the Dow Jones average during the month
when Black Monday occurred? - CORRECT ANSWER f(5)
The unemployment rate in Poland for the time period from 1990 to 2012 is
shown in the graph below using the function U( t) (measured as a
percentage), where t is the year. For example, U(1990) is the
unemployment rate for the year 1990. What can be concluded based on
this graph? - CORRECT ANSWER The largest two-year increase in
unemployment was from 1990 to 1992.
The graph of the function C below represents the number of coal miners in
the United States from 1985 to 2015.C( y) represents the number of coal
miners in the United States in the year y. For example, C(1985) shows
there were 170,000 coal miners in the United States in 1985. Which
interpretation of the function C is accurate? - CORRECT ANSWER
C(2000) represents 70,000 coal miners in 2000.
The following table compares the number of employees hired and the number
of employees dismissed over an 11-year period for a certain business.
, WGU C957 APPLIED ALGEBRA OA EXAM 2024
WITH QUESTIONS AND CORRECT DETAILED
ANSWERS
Year# Hired#
Dismissed200750102008201020093052010211720116030201270152013402
020141552015206 20161022017107
What can be concluded from this table? - CORRECT ANSWER More
employees were hired than dismissed each year.
A company has the following information on last quarter's sales (month 7
refers to July): MonthSales (in thousands of dollars)730383289333
What was the average rate of change over the entire quarter (from July to
September)? - CORRECT ANSWER Sales increased an average of
$15,000 per month.
An IT firm generates the following numbers to estimate its revenue in
thousands of dollars based on the number of employees working on a
project.
EmployeesRevenue (in
thousands)10$12.4020$21.9930$30.7440$36.0150$38.43
Which conclusion can be made by examining the average rate of change
between consecutive rows? - CORRECT ANSWER The revenue is
increasing at slower and slower rates in relation to the number of
employees.
An airplane was cruising at an altitude of 39,000 feet and descended as
shown in the table below. Descent of Airplane
Altitude of Airplane (ft.)Time
(min.)39,000033,0001027,0002021,0003015,000409,000503,00060
What can be concluded from this table? - CORRECT ANSWER The
airplane had a descent rate of 600 ft./min.
The function table below shows a company's revenue function (R) and
, WGU C957 APPLIED ALGEBRA OA EXAM 2024
WITH QUESTIONS AND CORRECT DETAILED
ANSWERS
expense function (E) for each month. In the second row, R(1) is the
revenue total for January, and E(1) is the expense total for January.
Monthly Revenues and Expenses
Month (m)Revenues R(m)Expenses E(m)1 (Jan.)$2,000$2,2002
(Feb.)$3,220$3,9573 (Mar.)$2,579$2,5044 (Apr.)$4,100$1,6755
(May)$5,328$2,1226 (June)$6,745$1,9907
, WGU C957 APPLIED ALGEBRA OA EXAM 2024
WITH QUESTIONS AND CORRECT DETAILED
ANSWERS
(July)$5,995$2,1118 (Aug.)$10,200$3,1839 (Sept.)$9,455$4,12910
(Oct.)$12,337$92711 (Nov.)$10,234$3,78612 (Dec.)$7,195$2,199
Which conclusion can be made about this function table? - CORRECT
ANSWER The highest profit occurred during October.
he original value of a company car bought in January of 2006 was $22,800.
Below is a function table that tracks the value of the car V( y) as it
depreciates.
Depreciation of Company AutomobileYear (y)Value (V(y))
2006$22,8002007$18,2402008$15,5042009$13,1782010$11,2012011$9,521
2012$8,0932013$6,
8792014$5,8472015$4,970
V(2007) = $18,240 is the value of the car from January to December of
2007. Which other conclusion can be reached from this table? -
CORRECT ANSWER V( y) decreases the most from 2006 to 2007.
The salvage or depreciated value, V, of a new truck purchased for $58,000
is given by the linear function V( t) = 58,000 - 4,000 t, where t is the time in
years between 0 and 10. What is the correct interpretation of V(3)? -
CORRECT ANSWER The truck's depreciated value after 3 years is
$46,000.
In the function C( x) = 21.25 + 0.25 x, C( x) represents the total cost, in
dollars, for a passenger to ride a shuttle service for x miles. What is the
total cost for a passenger to ride the shuttle for 50 miles? - CORRECT
ANSWER $33.75
A company's total monthly cost is given by the linear function C( x) =
11,000 + 550 x , where C is the total monthly cost and x is the number of
units produced each month. The graph of the function is given below: What
WITH QUESTIONS AND CORRECT DETAILED
ANSWERS
The following graph shows the profits of a company for the last fiscal year.
Approximately how much have the company's profits increased over the last
year? - CORRECT ANSWER 30%
Black Monday occurred on October 19, 1987, and represents the single
largest decline of the Dow Jones average in history.The function f
represents a seven-month period during which Black Monday occurred.
The function value f(1) represents the Dow Jones average in June of 1987.
Which function value represents the Dow Jones average during the month
when Black Monday occurred? - CORRECT ANSWER f(5)
The unemployment rate in Poland for the time period from 1990 to 2012 is
shown in the graph below using the function U( t) (measured as a
percentage), where t is the year. For example, U(1990) is the
unemployment rate for the year 1990. What can be concluded based on
this graph? - CORRECT ANSWER The largest two-year increase in
unemployment was from 1990 to 1992.
The graph of the function C below represents the number of coal miners in
the United States from 1985 to 2015.C( y) represents the number of coal
miners in the United States in the year y. For example, C(1985) shows
there were 170,000 coal miners in the United States in 1985. Which
interpretation of the function C is accurate? - CORRECT ANSWER
C(2000) represents 70,000 coal miners in 2000.
The following table compares the number of employees hired and the number
of employees dismissed over an 11-year period for a certain business.
, WGU C957 APPLIED ALGEBRA OA EXAM 2024
WITH QUESTIONS AND CORRECT DETAILED
ANSWERS
Year# Hired#
Dismissed200750102008201020093052010211720116030201270152013402
020141552015206 20161022017107
What can be concluded from this table? - CORRECT ANSWER More
employees were hired than dismissed each year.
A company has the following information on last quarter's sales (month 7
refers to July): MonthSales (in thousands of dollars)730383289333
What was the average rate of change over the entire quarter (from July to
September)? - CORRECT ANSWER Sales increased an average of
$15,000 per month.
An IT firm generates the following numbers to estimate its revenue in
thousands of dollars based on the number of employees working on a
project.
EmployeesRevenue (in
thousands)10$12.4020$21.9930$30.7440$36.0150$38.43
Which conclusion can be made by examining the average rate of change
between consecutive rows? - CORRECT ANSWER The revenue is
increasing at slower and slower rates in relation to the number of
employees.
An airplane was cruising at an altitude of 39,000 feet and descended as
shown in the table below. Descent of Airplane
Altitude of Airplane (ft.)Time
(min.)39,000033,0001027,0002021,0003015,000409,000503,00060
What can be concluded from this table? - CORRECT ANSWER The
airplane had a descent rate of 600 ft./min.
The function table below shows a company's revenue function (R) and
, WGU C957 APPLIED ALGEBRA OA EXAM 2024
WITH QUESTIONS AND CORRECT DETAILED
ANSWERS
expense function (E) for each month. In the second row, R(1) is the
revenue total for January, and E(1) is the expense total for January.
Monthly Revenues and Expenses
Month (m)Revenues R(m)Expenses E(m)1 (Jan.)$2,000$2,2002
(Feb.)$3,220$3,9573 (Mar.)$2,579$2,5044 (Apr.)$4,100$1,6755
(May)$5,328$2,1226 (June)$6,745$1,9907
, WGU C957 APPLIED ALGEBRA OA EXAM 2024
WITH QUESTIONS AND CORRECT DETAILED
ANSWERS
(July)$5,995$2,1118 (Aug.)$10,200$3,1839 (Sept.)$9,455$4,12910
(Oct.)$12,337$92711 (Nov.)$10,234$3,78612 (Dec.)$7,195$2,199
Which conclusion can be made about this function table? - CORRECT
ANSWER The highest profit occurred during October.
he original value of a company car bought in January of 2006 was $22,800.
Below is a function table that tracks the value of the car V( y) as it
depreciates.
Depreciation of Company AutomobileYear (y)Value (V(y))
2006$22,8002007$18,2402008$15,5042009$13,1782010$11,2012011$9,521
2012$8,0932013$6,
8792014$5,8472015$4,970
V(2007) = $18,240 is the value of the car from January to December of
2007. Which other conclusion can be reached from this table? -
CORRECT ANSWER V( y) decreases the most from 2006 to 2007.
The salvage or depreciated value, V, of a new truck purchased for $58,000
is given by the linear function V( t) = 58,000 - 4,000 t, where t is the time in
years between 0 and 10. What is the correct interpretation of V(3)? -
CORRECT ANSWER The truck's depreciated value after 3 years is
$46,000.
In the function C( x) = 21.25 + 0.25 x, C( x) represents the total cost, in
dollars, for a passenger to ride a shuttle service for x miles. What is the
total cost for a passenger to ride the shuttle for 50 miles? - CORRECT
ANSWER $33.75
A company's total monthly cost is given by the linear function C( x) =
11,000 + 550 x , where C is the total monthly cost and x is the number of
units produced each month. The graph of the function is given below: What
