Question 1

Find the common logarithm to four decimal places.
-log 0.63

Accepted Answer

A)  0.038 
B)  -0.2006 
C)  -0.7006 
D)  -0.462 
A)  0.038 
B)  -0.2006 
C)  -0.7006 
D)  -0.462

Question 2

Write the word or phrase that best completes each statement or answers the question.
Provide an appropriate response.
-Explain why   is an exponential function but   is not.

Accepted Answer

@#IMG-DLM& s an exponential function bec

Question 3

Solve the problem.
-A computer is purchased for $4500. Its value each year is about 77% of the value the preceding year. Its value, in dollars, after t years is given by the exponential function V(t) =   Find the value of the computer after
6 years.

Accepted Answer

A)  $556.08 
B)  $20,790.00 
C)  $937.90 
D)  $722.18 
A)  $556.08 
B)  $20,790.00 
C)  $937.90 
D)  $722.18

Question 4

Graph the function.
-

Accepted Answer

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

Question 5

Solve the problem.
-The number of dislocated electric impulses per cubic inch in a transformer increases when lightning strikes by D(x) =   where x is the time in milliseconds of the lightning strike. Find the number of dislocated
Impulses at x = 0 and x = 5 .

Accepted Answer

A)  2000 ; 32,000 
B)  1000 ; 10,000 
C)  1000 ; 32,000 
D)  1000 ; 4000 
A)  2000 ; 32,000 
B)  1000 ; 10,000 
C)  1000 ; 32,000 
D)  1000 ; 4000

Question 6

Find the inverse of the relation.
-{(-8, -7), (7, 8), (-4, -3), (4, 3)}

Accepted Answer

A)  {(3, -4), (-4, 7), (-7, -8), (-3, 4)} 
B)  {(-7, -8), (8, 7), (-3, -4), (3, 4)} 
C)  {(3, -4), (8, 7), (-7, 7), (-3, 4)} 
A)  {(3, -4), (-4, 7), (-7, -8), (-3, 4)} 
B)  {(-7, -8), (8, 7), (-3, -4), (3, 4)} 
C)  {(3, -4), (8, 7), (-7, 7), (-3, 4)}

Question 7

Express as a product.
-

Accepted Answer

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

Question 8

Determine whether the function is one-to-one.
-f(x) =   - 6

Accepted Answer

A) True 
 B)False

Question 9

Express as a single logarithm.
-

Accepted Answer

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

Question 10

Express as a single logarithm.
-

Accepted Answer

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

Question 11

Find the requested composition of functions.
-Given f(x) =   - 3 and g(x) =   find

Accepted Answer

A)    - 3 
B)    
C)    
D)    3 
A)    - 3 
B)    
C)    
D)    3

Question 12

Graph the function.
-

Accepted Answer

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

Question 13

Determine whether the function is one-to-one.
-f(x) =   + 8

Accepted Answer

A) True 
 B)False

Question 14

Solve the equation.
-

Accepted Answer

A)  0.00195312 
B)  81 
C)  512 
D)  3 
A)  0.00195312 
B)  81 
C)  512 
D)  3

Question 15

Graph.
-

Accepted Answer

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

Question 16

Solve the problem.
-An accountant tabulated a firm's profits for four recent years in the following table:   The accountant then fit both a linear graph and an exponential curve (seen below) to the data, in order to estimate future profits. Use the exponential graph to estimate the profits in the year 2002.

Accepted Answer

A)  About $1,000,000 
B)  About $1,700,000 
C)  About $1,300,000 
D)  About $750,000 
A)  About $1,000,000 
B)  About $1,700,000 
C)  About $1,300,000 
D)  About $750,000

Question 17

Find the logarithm.
-

Accepted Answer

A)  -3 
B)  -81 
C)  3 
D)  81 
A)  -3 
B)  -81 
C)  3 
D)  81

Question 18

Find the requested composition of functions.
-Given f(x) =   + 8 and g(x) =   - 8, find

Accepted Answer

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

Question 19

Find the logarithm.
-log8 8

Accepted Answer

A)  1 
B)  0 
C)  8 
D)  -1 
A)  1 
B)  0 
C)  8 
D)  -1

Question 20

Solve the problem.
-In a study by psychologists Bornstein and Bornstein, it was found that the average walking speed w, in feet per second, of a person living in a city of population P, in thousands, is given by the function w(P) = 0.37 ln P + 0.05.
Find the walking speed of people in a city with a population of 1,760,888.

Accepted Answer

A)  5.37 ft/sec 
B)  14.38 ft/sec 
C)  3.67 ft/sec 
D)  4.52 ft/sec 
A)  5.37 ft/sec 
B)  14.38 ft/sec 
C)  3.67 ft/sec 
D)  4.52 ft/sec

Find the common logarithm to four decimal places. -log 0.63

Write the word or phrase that best completes each statement or answers the question. Provide an appropriate response. -Explain why is an exponential function but is not.

Solve the problem. -A computer is purchased for $4500. Its value each year is about 77% of the value the preceding year. Its value, in dollars, after t years is given by the exponential function V(t) = Find the value of the computer after 6 years.

Graph the function. -

Solve the problem. -The number of dislocated electric impulses per cubic inch in a transformer increases when lightning strikes by D(x) = where x is the time in milliseconds of the lightning strike. Find the number of dislocated Impulses at x = 0 and x = 5 .

Find the inverse of the relation. -{(-8, -7), (7, 8), (-4, -3), (4, 3)}

Express as a product. -

Determine whether the function is one-to-one. -f(x) = - 6

Express as a single logarithm. -

Express as a single logarithm. -

Find the requested composition of functions. -Given f(x) = - 3 and g(x) = find

Graph the function. -

Determine whether the function is one-to-one. -f(x) = + 8

Solve the equation. -

Graph. -

Find the logarithm. -

Find the requested composition of functions. -Given f(x) = + 8 and g(x) = - 8, find

Find the logarithm. -log8 8

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

Calculating Means and Medians of Data Sets

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Exam 13: Exponential Functions and Logarithmic Functions

Find the common logarithm to four decimal places. -log 0.63

Write the word or phrase that best completes each statement or answers the question. Provide an appropriate response. -Explain why is an exponential function but is not.

Solve the problem. -A computer is purchased for $4500. Its value each year is about 77% of the value the preceding year. Its value, in dollars, after t years is given by the exponential function V(t) = Find the value of the computer after 6 years.

Graph the function. -

Solve the problem. -The number of dislocated electric impulses per cubic inch in a transformer increases when lightning strikes by D(x) = where x is the time in milliseconds of the lightning strike. Find the number of dislocated Impulses at x = 0 and x = 5 .

Find the inverse of the relation. -{(-8, -7), (7, 8), (-4, -3), (4, 3)}

Express as a product. -

Determine whether the function is one-to-one. -f(x) = - 6

Express as a single logarithm. -

Express as a single logarithm. -

Find the requested composition of functions. -Given f(x) = - 3 and g(x) = find

Graph the function. -

Determine whether the function is one-to-one. -f(x) = + 8

Solve the equation. -

Graph. -

Find the logarithm. -

Find the requested composition of functions. -Given f(x) = + 8 and g(x) = - 8, find

Find the logarithm. -log8 8

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

Calculating Means and Medians of Data Sets

Filters