Question 1

Find any modes that exist.
-5, 9, 97, 3, 2, 8, 69, 1, 4, 16

Accepted Answer

A)  No mode exists. 
B)  9 
C)  20.8 
D)  8 
A)  No mode exists. 
B)  9 
C)  20.8 
D)  8

Question 2

Solve.
-Let f(x) = -6x + 8 and g(x) =   + 1. Find f(8) · g(8) .

Accepted Answer

A)  -21,552 
B)  -21,504 
C)  -17,920 
D)  -17,960 
A)  -21,552 
B)  -21,504 
C)  -17,920 
D)  -17,960

Question 3

Solve the problem.
-The following prices per pound of ocean perch were found at seven supermarkets: $6.59, $7.49, $7.39, $7.59, $6.59, $7.29, $6.39
What is the mode?

Accepted Answer

A)  $7.59 
B)  $6.59 
C)  $7.39 
D)  $7.29 
A)  $7.59 
B)  $6.59 
C)  $7.39 
D)  $7.29

Question 4

Find the median.
-13, 16, 35, 52, 63, 63, 79

Accepted Answer

A)  63 
B)  46 
C)  52 
D)  35 
A)  63 
B)  46 
C)  52 
D)  35

Question 5

Find the median.
-67, 66, 222, 150, 251, 241, 232

Accepted Answer

A)  222 
B)  150 
C)  176 
D)  232 
A)  222 
B)  150 
C)  176 
D)  232

Question 6

Solve.
-Let f(x) = 7x + 3 and g(x) = 4   + 8. Find g(5) / f(5) .

Accepted Answer

A)    
B)    
C)    
D)    
A)    
B)    
C)    
D)

Question 7

Find the mean.
-27, 39, 11, 35, 8, 39, 9

Accepted Answer

A)  24 
B)  21 
C)  39 
D)  27 
A)  24 
B)  21 
C)  39 
D)  27

Question 8

For the pair of functions, find the indicated sum, difference, product, or quotient.
-f(x) = 8x + 5, g(x) = 4x - 1 Find (f ·G)(x).

Accepted Answer

A)    
B)    
C)    
D)    
A)    
B)    
C)    
D)

Question 9

Graph the circle.
-

Accepted Answer

A)    
B)    
C)    
D)    
A)    
B)    
C)    
D)

Question 10

Solve the problem.
-The following is a list of heights, in inches, of six people:   What is the median height?

Accepted Answer

A)  70.5 inches 
B)  70 inches 
C)  66 inches 
D)  74 inches 
A)  70.5 inches 
B)  70 inches 
C)  66 inches 
D)  74 inches

Question 11

Solve the problem.
-The five sales people at Southwest Appliances earned commissions last year of $20,000, $29,000, $48,000, $17,000, and $29,000. Find the mean commission.

Accepted Answer

A)  $31,460 
B)  $27,170 
C)  $30,030 
D)  $28,600 
A)  $31,460 
B)  $27,170 
C)  $30,030 
D)  $28,600

Question 12

Graph the circle.
-

Accepted Answer

A)    
B)    
C)    
D)    
A)    
B)    
C)    
D)

Question 13

Solve using matrices.
-3x - y - 8z = 6 9x + 5z = 91
3y + z = 17

Accepted Answer

A)  (5, 2, 9) 
B)  (-9, 5, 18) 
C)  (9, 5, 2) 
D)  (9, 2, 5) 
A)  (5, 2, 9) 
B)  (-9, 5, 18) 
C)  (9, 5, 2) 
D)  (9, 2, 5)

Question 14

Solve.
-Let f(x) = -4x + 3 and g(x) =   + 7. Find f(8) - g(8) .

Accepted Answer

A)  -484 
B)  -480 
C)  -487 
D)  -477 
A)  -484 
B)  -480 
C)  -487 
D)  -477

Question 15

For the pair of functions, find the indicated sum, difference, product, or quotient.
-f(x) = 2 - 3x, g(x) = -8x + 3 Find (f +G)(x).

Accepted Answer

A)  -11x + 5 
B)  5x + 5 
C)  -8x + 2 
D)  -6x 
A)  -11x + 5 
B)  5x + 5 
C)  -8x + 2 
D)  -6x

Question 16

Give the equation for a circle with the given center and radius.
-Center at (-10, 0), radius 3

Accepted Answer

A)    
B)    
C)    
D)    
A)    
B)    
C)    
D)

Question 17

Find the distance between the pair of points. Where appropriate, give an approximation to three decimal places.
-(-7, -7) and (1, -5)

Accepted Answer

A)  6 
B)  60 
C)    
D)    
A)  6 
B)  60 
C)    
D)

Question 18

Solve.
-Let f(x) = -9x + 7 and g(x) =   + 4. Find f(4) / g(4) .

Accepted Answer

A)    
B)    
C)    
D)    
A)    
B)    
C)    
D)

Question 19

Find the center and the radius of the circle.
-

Accepted Answer

A)  (-5, -1), r = 5 
B)  (1, 5), r = 25 
C)  (5, 1), r = 25 
D)  (-1, -5), r = 5 
A)  (-5, -1), r = 5 
B)  (1, 5), r = 25 
C)  (5, 1), r = 25 
D)  (-1, -5), r = 5

Question 20

For the pair of functions, find the indicated sum, difference, product, or quotient.
-Let f(x) =   + 5 and g(x) = x + 3. Find (f -G)(-4).

Accepted Answer

A)  92 
B)  78 
C)  -81 
D)  86 
A)  92 
B)  78 
C)  -81 
D)  86

Find any modes that exist. -5, 9, 97, 3, 2, 8, 69, 1, 4, 16

Solve. -Let f(x) = -6x + 8 and g(x) = + 1. Find f(8) · g(8) .

Solve the problem. -The following prices per pound of ocean perch were found at seven supermarkets: $6.59, $7.49, $7.39, $7.59, $6.59, $7.29, $6.39 What is the mode?

Find the median. -13, 16, 35, 52, 63, 63, 79

Find the median. -67, 66, 222, 150, 251, 241, 232

Solve. -Let f(x) = 7x + 3 and g(x) = 4 + 8. Find g(5) / f(5) .

Find the mean. -27, 39, 11, 35, 8, 39, 9

For the pair of functions, find the indicated sum, difference, product, or quotient. -f(x) = 8x + 5, g(x) = 4x - 1 Find (f ·G)(x).

Graph the circle. -

Solve the problem. -The following is a list of heights, in inches, of six people: What is the median height?

Solve the problem. -The five sales people at Southwest Appliances earned commissions last year of $20,000, $29,000, $48,000, $17,000, and $29,000. Find the mean commission.

Graph the circle. -

Solve using matrices. -3x - y - 8z = 6 9x + 5z = 91 3y + z = 17

Solve. -Let f(x) = -4x + 3 and g(x) = + 7. Find f(8) - g(8) .

For the pair of functions, find the indicated sum, difference, product, or quotient. -f(x) = 2 - 3x, g(x) = -8x + 3 Find (f +G)(x).

Give the equation for a circle with the given center and radius. -Center at (-10, 0), radius 3

Find the distance between the pair of points. Where appropriate, give an approximation to three decimal places. -(-7, -7) and (1, -5)

Solve. -Let f(x) = -9x + 7 and g(x) = + 4. Find f(4) / g(4) .

Find the center and the radius of the circle. -

For the pair of functions, find the indicated sum, difference, product, or quotient. -Let f(x) = + 5 and g(x) = x + 3. Find (f -G)(-4).

Introduction

Introduction to Real Numbers and Algebraic Expressions

Solving Equations and Inequalities

Graphs of Linear Equations

Polynomials: Operations

Polynomials: Factoring

Rational Expressions and Equations

Graphs, Functions, and Applications

Systems of Equations

More on Inequalities

Radical Expressions, Equations, and Functions

Quadratic Equations and Functions

Exponential Functions and Logarithmic Functions

Filters

Exam 14: Calculating Means and Medians of Data Sets

Find any modes that exist. -5, 9, 97, 3, 2, 8, 69, 1, 4, 16

Solve. -Let f(x) = -6x + 8 and g(x) = + 1. Find f(8) · g(8) .

Solve the problem. -The following prices per pound of ocean perch were found at seven supermarkets: $6.59, $7.49, $7.39, $7.59, $6.59, $7.29, $6.39 What is the mode?

Find the median. -13, 16, 35, 52, 63, 63, 79

Find the median. -67, 66, 222, 150, 251, 241, 232

Solve. -Let f(x) = 7x + 3 and g(x) = 4 + 8. Find g(5) / f(5) .

Find the mean. -27, 39, 11, 35, 8, 39, 9

For the pair of functions, find the indicated sum, difference, product, or quotient. -f(x) = 8x + 5, g(x) = 4x - 1 Find (f ·G)(x).

Graph the circle. -

Solve the problem. -The following is a list of heights, in inches, of six people: What is the median height?

Solve the problem. -The five sales people at Southwest Appliances earned commissions last year of $20,000, $29,000, $48,000, $17,000, and $29,000. Find the mean commission.

Graph the circle. -

Solve using matrices. -3x - y - 8z = 6 9x + 5z = 91 3y + z = 17

Solve. -Let f(x) = -4x + 3 and g(x) = + 7. Find f(8) - g(8) .

For the pair of functions, find the indicated sum, difference, product, or quotient. -f(x) = 2 - 3x, g(x) = -8x + 3 Find (f +G)(x).

Give the equation for a circle with the given center and radius. -Center at (-10, 0), radius 3

Find the distance between the pair of points. Where appropriate, give an approximation to three decimal places. -(-7, -7) and (1, -5)

Solve. -Let f(x) = -9x + 7 and g(x) = + 4. Find f(4) / g(4) .

Find the center and the radius of the circle. -

For the pair of functions, find the indicated sum, difference, product, or quotient. -Let f(x) = + 5 and g(x) = x + 3. Find (f -G)(-4).

Introduction

Introduction to Real Numbers and Algebraic Expressions

Solving Equations and Inequalities

Graphs of Linear Equations

Polynomials: Operations

Polynomials: Factoring

Rational Expressions and Equations

Graphs, Functions, and Applications

Systems of Equations

More on Inequalities

Radical Expressions, Equations, and Functions

Quadratic Equations and Functions

Exponential Functions and Logarithmic Functions

Filters