WGU C957 APPLIED ALGEBRA OA EXAM
(ACTUAL EXAM)QUESTIONS WITH VERY
ELABORATED ANSWERS CORRECTRY WELL
ORGANIZED LATEST 2024 – 2025 ALREADY
GRADED A+
The U.S. housing price index from 1970 to 2010 is plotted in the graph below.
Which conclusion about this graph is correct?
The lowest housing price index occurred in 1970, and the highest housing price
index occurred in 2005.
A company is trying to develop a computer algorithm to predict whether a
customer will make a purchase of $100 or more in an online store based on the
customer's browsing behavior and various characteristics about the customer. As
the company collects more customer data, it updates its algorithm to make it
more accurate. The graph below shows the algorithm's error rate for various
amounts of customer data. Which conclusion can the company make about the
error rate for this algorithm?
The error rate stabilizes and approaches an error rate of 2.5%.
,The average cost in dollars, A( x), to produce x cell phone screen covers is given by
the graph below. What happens to the average cost as more and more covers are
produced?
The average cost reduces to about $2 per cover.
The volume of calls, V( h), at a particular customer service center can be written
as a function of the number of hours after opening each day, h. What would the
ordered pair (6,8) represent for this function?
There were 8 calls 6 hours after opening.
A company has developed two functions, L( t) and M( t), that determine the least
amount and most amount, respectively, of revenue it will make in any given
month in dollars (with t = 1 corresponding to January). What can the company
reasonably conclude if L(2) = 3,000 and M(2) = 5,000?
In February, it will make between $3,000 and $5,000.
A server at a restaurant has realized that tips, T, in dollars are related to the
number of hours, h, that have been worked on any given day. Tips can be
modeled by the function T( h) = X. How can this function be interpreted?
If the server works h hours, the tips will be $ X.
A company pays its employees a base salary each month plus a commission, C,
based on the number of sales, s, made by an employee during the month. An
employee made 8 sales in the last month and received a commission of $1,600.
How would this be represented in function notation?
, C(8) = 1600
A local business is looking to become a franchise. The company wants to predict
the number of franchises, F, given a certain number of years, Y. This prediction is
modeled by the function F( Y). What can be concluded by F(5) = 10?
In 5 years, there will be 10 open stores.
A bank begins a marketing campaign to increase its number of customers. Each
month, all new customers are put into a drawing. One customer then receives a
$50 credit in a checking account.The amount of money given away in the drawing,
G, is a function of the number of months, M, the drawing has been going on for.
What is the correct function notation to represent the amount of money given
away after the drawing has been going on for 5 months?
G(5) = 250
Below is a growth graph of a business. It compares gross growth and net growth.
What can be said about the growth between the years of 2012 and 2014?
Both gross and net growth increased.
The graph below shows the three-month average percentage year-on-year
growth for real total pay for the years 2010–2016, along with the Office for
Budget Responsibility's (OBR's) growth forecast for the years 2016–2021. What
can be concluded from this graph?
The OBR forecasts the growth will remain above 1% between 2016 and 2021.
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