PRE-ASSESSMENT: APPLIED ALGEBRA (FXO1) PFXO
Attempt #1
Status: Not Passed
1.
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?
YOUR CORRECT
ANSWER ANSWER
Every 5 years, 10 stores will be opened.
Every 10 years, 5 stores will be opened.
In 5 years, there will be 10 open stores.
In 10 years, there will be 5 open stores.
2.
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?
YOUR CORRECT
ANSWER ANSWER
G(5) = 250
G(250) = 5
G(5) = 10
G(10) = 5
3.
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?
, YOUR CORRECT
ANSWER ANSWER
There were 8 calls 6 hours after opening.
There were 6 calls 8 hours after opening.
There were h calls 6 hours after opening.
There were 8 calls V hours after opening.
4.
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?
YOUR CORRECT
ANSWER ANSWER
In February, it will make $2,000.
In February, it will make between $3,000 and $5,000.
It will make more money in February if it uses M( t) instead of L( t).
It cannot make more than $3,000 in February but can make up to $5,000 after February.
5.
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?
YOUR CORRECT
ANSWER ANSWER
If the server works h hours, the tips will be $ X.
If the server works T hours, the tips will be $ h.
If the server works h hours, the tips will be $ T( X).
If the server works X hours, the tips will be $ T.
6.
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?
YOUR CORRECT
ANSWER ANSWER
C(8) = 1600
C(1600) = 8
s(8) = 1600
s(1600) = 8
7.
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?
YOUR CORRECT
ANSWER ANSWER
Both gross and net growth decreased.
Both gross and net growth increased.
The gross growth increased while the net growth decreased.
The gross growth decreased while the net growth increased.
Attempt #1
Status: Not Passed
1.
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?
YOUR CORRECT
ANSWER ANSWER
Every 5 years, 10 stores will be opened.
Every 10 years, 5 stores will be opened.
In 5 years, there will be 10 open stores.
In 10 years, there will be 5 open stores.
2.
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?
YOUR CORRECT
ANSWER ANSWER
G(5) = 250
G(250) = 5
G(5) = 10
G(10) = 5
3.
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?
, YOUR CORRECT
ANSWER ANSWER
There were 8 calls 6 hours after opening.
There were 6 calls 8 hours after opening.
There were h calls 6 hours after opening.
There were 8 calls V hours after opening.
4.
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?
YOUR CORRECT
ANSWER ANSWER
In February, it will make $2,000.
In February, it will make between $3,000 and $5,000.
It will make more money in February if it uses M( t) instead of L( t).
It cannot make more than $3,000 in February but can make up to $5,000 after February.
5.
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?
YOUR CORRECT
ANSWER ANSWER
If the server works h hours, the tips will be $ X.
If the server works T hours, the tips will be $ h.
If the server works h hours, the tips will be $ T( X).
If the server works X hours, the tips will be $ T.
6.
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?
YOUR CORRECT
ANSWER ANSWER
C(8) = 1600
C(1600) = 8
s(8) = 1600
s(1600) = 8
7.
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?
YOUR CORRECT
ANSWER ANSWER
Both gross and net growth decreased.
Both gross and net growth increased.
The gross growth increased while the net growth decreased.
The gross growth decreased while the net growth increased.
