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Questions and Answers

1.

Amy gets paid for babysitting each weekend for the Simpsons family. The amount she gets paid is a function of the number of hours she babysits. Which of the following is the independent quantity in this function?
- A.
  
  The number of hours she babysits
- B.
  
  Number of hours she gets paid for baby sitting
- C.
  
  The number of children in the Simpons family
- D.
  
  The amount of money she gets paid per hour
Correct Answer
A. The number of hours she babysits
2.

The equation E = 35 + 1.5n represents how much Tommy earns at the pickle packing plant where n represents the number of pickles Tommy packs each day and E represents his total earnings for the day. If E is a function of n, which of the following statements best describes this relationship?
- A.
  
  The value on n is always greater than E
- B.
  
  The value of n is always greater than 50
- C.
  
  The value of E is dependent on n
- D.
  
  The value of n is dependent on E
Correct Answer
C. The value of E is dependent on n
3.

Which graphs have the range of y ≤ 3?
- A.
  
  I and II
- B.
  
  I and III
- C.
  
  II and III
- D.
  
  All Graphs
Correct Answer
A. I and II
4.

The graph of a function is shown below. Which of the following describes the function?
- A.
  
  The function has y-incept of 4 and decreased by a rate of -2/3
- B.
  
  The function has a y-incept of 6 and decreased by a rate of -2/3
- C.
  
  The function has a x-incept of 4 and increases by rate of 3/2
- D.
  
  The function has an x-incept of 6 and increases by rate of 3/2
Correct Answer
A. The function has y-incept of 4 and decreased by a rate of -2/3
5.

Which expression best represents the perimeter of a rectangle of width w, when the length is 3 inches longer than the width?
- A.
  
  4w+3
- B.
  
  2w+6
- C.
  
  8w
- D.
  
  4w+6
Correct Answer
D. 4w+6

Explanation
Count w's and and add 3+3 to give you 4w+6

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6.

In a certain function, the value of y equals three more than two times the value of x for the domain {1, 2, 3, 4}. Which is NOT a correct representation of this function?
- A.
  
  A
- B.
  
  B
- C.
  
  C
- D.
  
  D
Correct Answer
D. D
7.
- A.
  
  4n+3
- B.
  
  7n
- C.
  
  3n+1
- D.
  
  4+3n
Correct Answer
C. 3n+1

Explanation
Create a finite difference table.

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8.

The depth, d, of water in a swimming pool decreases at a steady rate as the water is drained out. Which graph best represents the depth of the water as a function of h, the number of hours it takes to drain the pool?
- A.
  
  A
- B.
  
  B
- C.
  
  C
- D.
  
  D
Correct Answer
D. D
9.

Payton's cat, Lindsey, escaped from her back yard and wandered around Champions before returning back home. If each section of the graph represents part of Lindsey's trip around Champions, in which part of the trip did Lindsey travel the fastest?
- A.
  
  M
- B.
  
  P
- C.
  
  R
- D.
  
  T
Correct Answer
B. P

Explanation
Count your slope (build a stair case).

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10.

The table below shows the number of UHF and VHF television stations each year from 1996 to 2002. According to this trend, which of the following could have occurred in 2004?
- A.
  
  There will be no more than 1730 stations in 2004
- B.
  
  There will be fewer stations in 2004 than 2002
- C.
  
  There will be at least 1750 station in 2004
- D.
  
  There will be twice as many stations in 2004 than in 1996
Correct Answer
C. There will be at least 1750 station in 2004

Explanation
Use scale factor

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11.

Carter and Davd kept track of their accumulated earnings from their jobs during each week of sumer vacation. According the graphs below, which boy earned money at a higher rate per week.
- A.
  
  Carter earns money at a faster rate
- B.
  
  David earned money at a faster rate
- C.
  
  Carter and David earn money at the same rate
- D.
  
  Carter earned more money than David.
Correct Answer
B. David earned money at a faster rate
12.

The temperature of a cup of coffee was measured until the coffee cooled to room temperature. Which of the following best describes the data shown on the graph?
- A.
  
  A reasonable domain for the data is from 0 to 9 minutes
- B.
  
  A reasonable domain for the data is from 70 to 180 degrees
- C.
  
  A reasonable range for the data is 0 to 180 degrees
- D.
  
  A reasonable range for the data is from 70 to 180 degrees
Correct Answer
A. A reasonable domain for the data is from 0 to 9 minutes
13.

Which of the following is a correct description of the function shown on the graph?
- A.
  
  The graph contains the points (6,2), and when the value of x increases by 1 unit, the value of y decreases by 2 units.
- B.
  
  The graph contains the point (2, −2), and when the value of x increases by 1 unit, the value of y increases by 2 units.
- C.
  
  The graph contains the point (0, −6), and when the value of x increases by 2 units, the value of y increases by 1 unit.
- D.
  
  The graph contains the point (3, −6), and when the value of x increases by 1 unit, the value of y increases by 2 units.
Correct Answer
B. The graph contains the point (2, −2), and when the value of x increases by 1 unit, the value of y increases by 2 units.
14.

A fisherman sells shrimp by the pound. He charges $4.99 per pound of shrimp but adds on $2 to cover his expenses. Which equation shows how many pounds of shrimp can be purchased for $101.80, if n represents the number of pounds of shrimp?
- A.
  
  4.99n-2=101.80
- B.
  
  2+4.99n=101.80
- C.
  
  2n+4.99=101.80
- D.
  
  2n+4.99n=101.80
Correct Answer
B. 2+4.99n=101.80
15.

Which situation can best be described by a linear function?
- A.
  
  Melinda's earnings for working h number of hours for working at the movie theatre
- B.
  
  Luanne gets $50.00 for her first A on her report card, and the amount is doubled for each additional A
- C.
  
  The length of a ribbon after it has been cut in half h number of times
- D.
  
  The volume of water in a bathtub m minutes after the drain is opened
Correct Answer
A. Melinda's earnings for working h number of hours for working at the movie theatre
16.

A certain shipping company will ship packages up to 5 ounces for $1.75. If a package weighs more than five ounces then the function c=.35(x-5) + 1.75 describes the total charge, c, in dollars for shipping a package that wieghs x ounces. Which of the following best descirbes this function?
- A.
  
  If the total weight of the package is greater than 5 ounces, then the company will add an aditional charge of 35 cents for each ounce over five ounces
- B.
  
  The cost to ship the package costs 35 cents per ounce no matter how much it weighs
- C.
  
  The first five ounces of weight it will cost 35 cents per ounce to mail the package, after which there is an additional charge of $1.75
- D.
  
  If the total weight of the package is greater than 5 ounces then every ounce costs 35 cents.
Correct Answer
A. If the total weight of the package is greater than 5 ounces, then the company will add an aditional charge of 35 cents for each ounce over five ounces
17.

Which of the following scenarios can be represented by the graph shown below?
- A.
  
  Every 25 years the population of cypress doubles
- B.
  
  A snail crawls at a costant rate of 25 inches per hour
- C.
  
  For every 25 minutes Pam studies she gets paid a dollar
- D.
  
  Alex saves 50 cents a day for 8 days.
Correct Answer
C. For every 25 minutes Pam studies she gets paid a dollar
18.

Which graph shows the amount of time it takes to drain the water from a fish tank? What does the range of the function shown on the graph represent in this situation?
- A.
  
  Depth of water was 20 inches, increased to 27
- B.
  
  Depth of water was 20 inches, decreased to 0 inches
- C.
  
  Depth of water was 0, increased to 20
- D.
  
  Depth of water was 28 inches, decreased to 27
Correct Answer
B. Depth of water was 20 inches, decreased to 0 inches

Quiz Review Timeline +

Our quizzes are rigorously reviewed, monitored and continuously updated by our expert board to maintain accuracy, relevance, and timeliness.

Current Version
Oct 24, 2013

Quiz Edited by
ProProfs Editorial Team
Oct 22, 2013

Quiz Created by
Coachbeyer

SFA Review

Amy gets paid for babysitting each weekend for the Simpsons family. The amount she gets paid is a function of the number of hours she babysits. Which of the following is the independent quantity in this function?

The equation E = 35 + 1.5n represents how much Tommy earns at the pickle packing plant where n represents the number of pickles Tommy packs each day and E represents his total earnings for the day. If E is a function of n, which of the following statements best describes this relationship?

Which graphs have the range of y ≤ 3?

The graph of a function is shown below. Which of the following describes the function?

Which expression best represents the perimeter of a rectangle of width w, when the length is 3 inches longer than the width?

In a certain function, the value of y equals three more than two times the value of x for the domain {1, 2, 3, 4}. Which is NOT a correct representation of this function?

The depth, d, of water in a swimming pool decreases at a steady rate as the water is drained out. Which graph best represents the depth of the water as a function of h, the number of hours it takes to drain the pool?

Payton's cat, Lindsey, escaped from her back yard and wandered around Champions before returning back home. If each section of the graph represents part of Lindsey's trip around Champions, in which part of the trip did Lindsey travel the fastest?

The table below shows the number of UHF and VHF television stations each year from 1996 to 2002. According to this trend, which of the following could have occurred in 2004?

Carter and Davd kept track of their accumulated earnings from their jobs during each week of sumer vacation. According the graphs below, which boy earned money at a higher rate per week.

The temperature of a cup of coffee was measured until the coffee cooled to room temperature. Which of the following best describes the data shown on the graph?

Which of the following is a correct description of the function shown on the graph?

A fisherman sells shrimp by the pound. He charges $4.99 per pound of shrimp but adds on $2 to cover his expenses. Which equation shows how many pounds of shrimp can be purchased for $101.80, if n represents the number of pounds of shrimp?

Which situation can best be described by a linear function?

A certain shipping company will ship packages up to 5 ounces for $1.75. If a package weighs more than five ounces then the function c=.35(x-5) + 1.75 describes the total charge, c, in dollars for shipping a package that wieghs x ounces. Which of the following best descirbes this function?

Which of the following scenarios can be represented by the graph shown below?

Which graph shows the amount of time it takes to drain the water from a fish tank? What does the range of the function shown on the graph represent in this situation?