WGU C957 APPLIED ALGEBRA OBJECTIVE ASSESSMENT
(OA) EXAM 2026 | ACTUAL EXAM QUESTIONS AND
CORRECT ANSWERS | NEWEST UPDATE 2026/2027 |
GUARANTEED PASS A+ | GRADED A+.
A function doubles each input. What does the inverse function
do?
A. Doubles each input
B. Adds 2 to each input
C. Subtracts 2 from each input
D. Halves each input - ...ANSWER...D
Sales tax in your state is 7%.
Which function models the amount of sales tax, T, when you
spend x dollars?
A. T(x)=7+x
B. T(x)=0.07+x
C. T(x)=7x
D. T(x)=0.07(x) - ...ANSWER...D
Your daughter babysits and charges $8 per hour. Select
the function that models the amount of money she earns
when babysitting for h hours.
A. B(h)=8h
,B. B(h)=h+8
C. B(h)=8h
D. B(h)=8+h - ...ANSWER...C
The temperature outside is currently 50 degrees Fahrenheit
and decreasing at a rate of 2 degrees per hour.
Choose the function that models this scenario.
A. T(h)=50h-2
B. T(h)=50+2h
C. T(h)=50-2h
D. T(h)=50h+2 - ...ANSWER...C
The cost to mail a package that weighs z ounces is given by
the function C(z)=$2.50+0.08z.
How much would it cost to mail a package that weighs 14
ounces?
A. $13.24
B. $14.20
C. $2.58
D. $3.62 - ...ANSWER...D
You currently earn $62,000 annually and will be given a pay
raise soon. If the pay raise is given as a percentage or rate, r,
the increase in pay, I, can be represented by the function
I(r)=62,000(r).
,What is the increase in pay if you were given a 9% raise?
A. $3,580
B. $67,580
C. $558,000
D. $5,580 - ...ANSWER...D
You purchase a compact car for $22,000. The depreciation
value after t years is given by the function: V(t) = 22,000 -
1400t. Find the value of the car after three years.
A. $17,800
B. $20,600
C. $26,200
D. $61,800 - ...ANSWER...A
Given the function C(p)=20-p, which of these would be a
coordinate on the graph?
A. (5, 16)
B. (5, 18)
C. (5, 17)
D. (5, 15) - ...ANSWER...D
, A statistic that measures how well a regression prediction
approximates the real data points. An r^2 of 1 indicates that
the regression prediction is a perfect fit for the data -
...ANSWER...coefficient of determination
Which choice is a variable?
A.The number of states in the United States of America
B.The cost of your daily newspaper
C.The amount a teenager makes babysitting
D.Your shoe size - ...ANSWER...C
Which choice is a variable?
A.The operating system on your phone
B.The amount a babysitter charges per hour
C.The name of the largest mountain range in the United States
D.The colors and styles of your shoes - ...ANSWER...D
Which choice is a quantitative variable?
A. S, representing the number of regular weekly shipping
deliveries your company's trucks make
B. P, representing the monthly profit based on the number of
customers who needed plumbing services
C. R, representing the monthly rent for your company's
office building
(OA) EXAM 2026 | ACTUAL EXAM QUESTIONS AND
CORRECT ANSWERS | NEWEST UPDATE 2026/2027 |
GUARANTEED PASS A+ | GRADED A+.
A function doubles each input. What does the inverse function
do?
A. Doubles each input
B. Adds 2 to each input
C. Subtracts 2 from each input
D. Halves each input - ...ANSWER...D
Sales tax in your state is 7%.
Which function models the amount of sales tax, T, when you
spend x dollars?
A. T(x)=7+x
B. T(x)=0.07+x
C. T(x)=7x
D. T(x)=0.07(x) - ...ANSWER...D
Your daughter babysits and charges $8 per hour. Select
the function that models the amount of money she earns
when babysitting for h hours.
A. B(h)=8h
,B. B(h)=h+8
C. B(h)=8h
D. B(h)=8+h - ...ANSWER...C
The temperature outside is currently 50 degrees Fahrenheit
and decreasing at a rate of 2 degrees per hour.
Choose the function that models this scenario.
A. T(h)=50h-2
B. T(h)=50+2h
C. T(h)=50-2h
D. T(h)=50h+2 - ...ANSWER...C
The cost to mail a package that weighs z ounces is given by
the function C(z)=$2.50+0.08z.
How much would it cost to mail a package that weighs 14
ounces?
A. $13.24
B. $14.20
C. $2.58
D. $3.62 - ...ANSWER...D
You currently earn $62,000 annually and will be given a pay
raise soon. If the pay raise is given as a percentage or rate, r,
the increase in pay, I, can be represented by the function
I(r)=62,000(r).
,What is the increase in pay if you were given a 9% raise?
A. $3,580
B. $67,580
C. $558,000
D. $5,580 - ...ANSWER...D
You purchase a compact car for $22,000. The depreciation
value after t years is given by the function: V(t) = 22,000 -
1400t. Find the value of the car after three years.
A. $17,800
B. $20,600
C. $26,200
D. $61,800 - ...ANSWER...A
Given the function C(p)=20-p, which of these would be a
coordinate on the graph?
A. (5, 16)
B. (5, 18)
C. (5, 17)
D. (5, 15) - ...ANSWER...D
, A statistic that measures how well a regression prediction
approximates the real data points. An r^2 of 1 indicates that
the regression prediction is a perfect fit for the data -
...ANSWER...coefficient of determination
Which choice is a variable?
A.The number of states in the United States of America
B.The cost of your daily newspaper
C.The amount a teenager makes babysitting
D.Your shoe size - ...ANSWER...C
Which choice is a variable?
A.The operating system on your phone
B.The amount a babysitter charges per hour
C.The name of the largest mountain range in the United States
D.The colors and styles of your shoes - ...ANSWER...D
Which choice is a quantitative variable?
A. S, representing the number of regular weekly shipping
deliveries your company's trucks make
B. P, representing the monthly profit based on the number of
customers who needed plumbing services
C. R, representing the monthly rent for your company's
office building
