C957 Applied Algebra - Module 1 Quiz
EXAM QUESTIONS AND VERIFIED
CORRECT ANSWERS GRADED A+
LATEST 100% GUARANTEED PASS
The output of toy cars in a toy factory is affected by the number of employees working per shift.
Which variable is the dependent variable?
A. The number of toy cars produced
B. The number of employees working each shift - CORRECT ANSWER-A
The price of gasoline is $2.50 per gallon. The cost, C, can be represented by the function
C(n)=2.5n, where n is the number of gallons of gasoline.
What is the inverse function?
A. The inverse function gives the number of gallons of gasoline as a function of the cost when
the price of gasoline varies.
B. The inverse function gives the cost as a function of the number of gallons of gasoline, when
the price of gasoline is $2.50 per gallon.
C. The inverse function gives the number of gallons of gasoline as a function of the cost when
the price of gasoline is $2.50 per gallon.
,D. The inverse function gives the price of gasoline as a function of the number of gallons of
gasoline. - CORRECT ANSWER-C
Apples are on sale for $1.65 per pound at the grocery store. The equation c=1.65p gives the cost
c for apples in terms of the weight p (in pounds).
Write this equation so it gives the weight p in terms of the cost c.
A. p=1.65c
B. p=c−1.65
C. 1.65p=c
D. p=c/1.65 - CORRECT ANSWER-D
You are an IT manager with six people on your team. Each team member works 40 guaranteed
hours a week. If a new software tool or platform is rolled out, more help is needed for customer
support, and your team members may work a few hours of overtime.
Which of the following choices listed is a variable?
A. Providing customer support
B. The number of overtime hours
C. Forty guaranteed hours of work
D. Six team members - CORRECT ANSWER-B
You work in IT on many different platforms (PC, Mac, Linux, etc.) with different types of software
and tools. One of your friends also works in IT. She is the administrator of a college learning
management system.
, Which choice is a qualitative variable?
A. The fact that your friend and you both work in IT
B. The number of platforms you work on in one day
C. Your job title
D. The platform you work on for any given project - CORRECT ANSWER-
The number of law enforcement officers has increased in a neighborhood. People later notice
that the number of crimes has decreased.
Which variable is the independent variable in this context?
A. The number of crimes
B. The number of law enforcement officers - CORRECT ANSWER-B
Which of the following is a predicted output based on an input?
A. The price of coffee based on your weight.
B. The winning lottery numbers based on the numbers you selected.
C. The temperature of the refrigerator based on the selected setting.
D. The weather based on your mood. - CORRECT ANSWER-C
A company that sells running shoes has a yearly fixed cost of $500,000. Additionally, it costs the
company $20 to produce each pair of shoes. The company's yearly cost is represented by the
function C(x)=500,000+20x, where x equals the number of shoes.
If the company produces 10,000 pairs of shoes in a year, what is the yearly cost?
EXAM QUESTIONS AND VERIFIED
CORRECT ANSWERS GRADED A+
LATEST 100% GUARANTEED PASS
The output of toy cars in a toy factory is affected by the number of employees working per shift.
Which variable is the dependent variable?
A. The number of toy cars produced
B. The number of employees working each shift - CORRECT ANSWER-A
The price of gasoline is $2.50 per gallon. The cost, C, can be represented by the function
C(n)=2.5n, where n is the number of gallons of gasoline.
What is the inverse function?
A. The inverse function gives the number of gallons of gasoline as a function of the cost when
the price of gasoline varies.
B. The inverse function gives the cost as a function of the number of gallons of gasoline, when
the price of gasoline is $2.50 per gallon.
C. The inverse function gives the number of gallons of gasoline as a function of the cost when
the price of gasoline is $2.50 per gallon.
,D. The inverse function gives the price of gasoline as a function of the number of gallons of
gasoline. - CORRECT ANSWER-C
Apples are on sale for $1.65 per pound at the grocery store. The equation c=1.65p gives the cost
c for apples in terms of the weight p (in pounds).
Write this equation so it gives the weight p in terms of the cost c.
A. p=1.65c
B. p=c−1.65
C. 1.65p=c
D. p=c/1.65 - CORRECT ANSWER-D
You are an IT manager with six people on your team. Each team member works 40 guaranteed
hours a week. If a new software tool or platform is rolled out, more help is needed for customer
support, and your team members may work a few hours of overtime.
Which of the following choices listed is a variable?
A. Providing customer support
B. The number of overtime hours
C. Forty guaranteed hours of work
D. Six team members - CORRECT ANSWER-B
You work in IT on many different platforms (PC, Mac, Linux, etc.) with different types of software
and tools. One of your friends also works in IT. She is the administrator of a college learning
management system.
, Which choice is a qualitative variable?
A. The fact that your friend and you both work in IT
B. The number of platforms you work on in one day
C. Your job title
D. The platform you work on for any given project - CORRECT ANSWER-
The number of law enforcement officers has increased in a neighborhood. People later notice
that the number of crimes has decreased.
Which variable is the independent variable in this context?
A. The number of crimes
B. The number of law enforcement officers - CORRECT ANSWER-B
Which of the following is a predicted output based on an input?
A. The price of coffee based on your weight.
B. The winning lottery numbers based on the numbers you selected.
C. The temperature of the refrigerator based on the selected setting.
D. The weather based on your mood. - CORRECT ANSWER-C
A company that sells running shoes has a yearly fixed cost of $500,000. Additionally, it costs the
company $20 to produce each pair of shoes. The company's yearly cost is represented by the
function C(x)=500,000+20x, where x equals the number of shoes.
If the company produces 10,000 pairs of shoes in a year, what is the yearly cost?
