WGU C957 APPLIED ALGEBRA OA EXAM 20
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24 | ACTUAL REAL EXAM QUESTIONS AND
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ANSWERS WITH STUDY GUIDE | g g g g
VERIFIED AND ACCURATE FOR g g g g
GUARANTEED PASS | GRADED A g g g g
A function doubles each input. What does the inverse function d
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o?
A. Doubles each input g g
B. Adds 2 to each input g g g g
C. Subtracts 2 from each input g g g g
D. Halves each input - ...ANSWER...D
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Sales tax in your state is 7%.
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Which function models the amount of sales tax, T, when you sp
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end x dollars?
g g
A. T(x)=7+x
B. T(x)=0.07+x
C. T(x)=7x
D. T(x)=0.07(x) - ...ANSWER...D g g
Your daughter babysits and charges $8 per hour.
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Select the function that models the amount of money she earns
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when babysitting for h hours.
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A. B(h)=8h
B. B(h)=h+8
,C. B(h)=8h
D. B(h)=8+h - ...ANSWER...C g g
Your business currently has 12 employees. You plan to add thre
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e new employees each year for the life of your business. Which
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function below models your plan? Note that N represents the nu
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mber of employees while y=0 corresponds to the current year.
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A. N(y)=12y+3
B. N(y)=36+y
C. N(y)=12+3y
D. N(y)=12-3y - ...ANSWER...C g g
The temperature outside is currently 50 degrees Fahrenheit and
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decreasing at a rate of 2 degrees per hour.
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Choose the function that models this scenario.
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A. T(h)=50h-2
B. T(h)=50+2h
C. T(h)=50-2h
D. T(h)=50h+2 - ...ANSWER...C g g
The cost to mail a package that weighs z ounces is given by the
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function C(z)=$2.50+0.08z.
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How much would it cost to mail a package that weighs 14 ounce
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s?
A. $13.24
B. $14.20
C. $2.58
D. $3.62 - ...ANSWER...Dg g
, You currently earn $62,000 annually and will be given a pay rai
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se soon. If the pay raise is given as a percentage or rate, r, the in
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crease in pay, I, can be represented by the function I(r)=62,000(
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r).
What is the increase in pay if you were given a 9% raise?
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A. $3,580
B. $67,580
C. $558,000
D. $5,580 - ...ANSWER...D g g
You purchase a compact car for $22,000. The depreciation
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value after t years is given by the function: V(t) = 22,000 -
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1400t. Find the value of the car after three years.
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A. $17,800
B. $20,600
C. $26,200
D. $61,800 - ...ANSWER...A g g
Given the function C(p)=20-
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p, which of these would be a coordinate on the graph?
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A. (5, 16) g
B. (5, 18) g
C. (5, 17) g
D. (5, 15) - ...ANSWER...D
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Suppose a short- g g
distance towing company uses the function P(m)=1.8m+32 t
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o determine the price, P, of towing a car m miles. What woul
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d the price be for the coordinate (10, P)?
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24 | ACTUAL REAL EXAM QUESTIONS AND
g g g g g g g
ANSWERS WITH STUDY GUIDE | g g g g
VERIFIED AND ACCURATE FOR g g g g
GUARANTEED PASS | GRADED A g g g g
A function doubles each input. What does the inverse function d
g g g g g g g g g g
o?
A. Doubles each input g g
B. Adds 2 to each input g g g g
C. Subtracts 2 from each input g g g g
D. Halves each input - ...ANSWER...D
g g g g
Sales tax in your state is 7%.
g g g g g g
Which function models the amount of sales tax, T, when you sp
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end x dollars?
g g
A. T(x)=7+x
B. T(x)=0.07+x
C. T(x)=7x
D. T(x)=0.07(x) - ...ANSWER...D g g
Your daughter babysits and charges $8 per hour.
g g g g g g g
Select the function that models the amount of money she earns
g g g g g g g g g g g
when babysitting for h hours.
g g g g g
A. B(h)=8h
B. B(h)=h+8
,C. B(h)=8h
D. B(h)=8+h - ...ANSWER...C g g
Your business currently has 12 employees. You plan to add thre
g g g g g g g g g g
e new employees each year for the life of your business. Which
g g g g g g g g g g g g
function below models your plan? Note that N represents the nu
g g g g g g g g g g
mber of employees while y=0 corresponds to the current year.
g g g g g g g g g
A. N(y)=12y+3
B. N(y)=36+y
C. N(y)=12+3y
D. N(y)=12-3y - ...ANSWER...C g g
The temperature outside is currently 50 degrees Fahrenheit and
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decreasing at a rate of 2 degrees per hour.
g g g g g g g g g
Choose the function that models this scenario.
g g g g g g
A. T(h)=50h-2
B. T(h)=50+2h
C. T(h)=50-2h
D. T(h)=50h+2 - ...ANSWER...C g g
The cost to mail a package that weighs z ounces is given by the
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function C(z)=$2.50+0.08z.
g
How much would it cost to mail a package that weighs 14 ounce
g g g g g g g g g g g g
s?
A. $13.24
B. $14.20
C. $2.58
D. $3.62 - ...ANSWER...Dg g
, You currently earn $62,000 annually and will be given a pay rai
g g g g g g g g g g g
se soon. If the pay raise is given as a percentage or rate, r, the in
g g g g g g g g g g g g g g g
crease in pay, I, can be represented by the function I(r)=62,000(
g g g g g g g g g g
r).
What is the increase in pay if you were given a 9% raise?
g g g g g g g g g g g g
A. $3,580
B. $67,580
C. $558,000
D. $5,580 - ...ANSWER...D g g
You purchase a compact car for $22,000. The depreciation
g g g g g g g g g
value after t years is given by the function: V(t) = 22,000 -
g g g g g g g g g g g g
1400t. Find the value of the car after three years.
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A. $17,800
B. $20,600
C. $26,200
D. $61,800 - ...ANSWER...A g g
Given the function C(p)=20-
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p, which of these would be a coordinate on the graph?
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A. (5, 16) g
B. (5, 18) g
C. (5, 17) g
D. (5, 15) - ...ANSWER...D
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Suppose a short- g g
distance towing company uses the function P(m)=1.8m+32 t
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o determine the price, P, of towing a car m miles. What woul
g g g g g g g g g g g g
d the price be for the coordinate (10, P)?
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