Question 1

Use the change of base formula to rewrite   .

Accepted Answer

A)    
B)    
C)    
D)    
E)  None of these 
A)    
B)    
C)    
D)    
E)  None of these

Question 2

The intensity of sound from a clap of thunder is   . Find the loudness in decibels. Round to the nearest whole number.

Accepted Answer

A)  119 decibels 
B)  118 decibels 
C)  121 decibels 
D)  120 decibels 
E)  None of these 
A)  119 decibels 
B)  118 decibels 
C)  121 decibels 
D)  120 decibels 
E)  None of these

Question 3

Graph the function

Accepted Answer

A)    
B)    
C)    
D)    
E)  None of these 
A)    
B)    
C)    
D)    
E)  None of these

Question 4

Use   and   to represent the domain of   by using interval notation.

Accepted Answer

A)    
B)    
C)    
D)    
E)  None of these 
A)    
B)    
C)    
D)    
E)  None of these

Question 5

The bookstore at a local college is having an end-of-term sale with all electronic tablets discounted 30%. The function  Represents the relationship of the original price of the item,  , and the price of the item on sale. The function  Describes the cost of an item including sales tax. A student is buying a tablet with an original price of $800. Find

Accepted Answer

A)    
B)    
C)    
D) 
  
E)  None of these 
A)    
B)    
C)    
D) 
  
E)  None of these

Question 6

The concentration of hydronium ions in a solution is   . Find the pH of the solution. Round to the nearest tenth.

Accepted Answer

A)  7.5 
B)  7.4 
C)  7.3 
D)  7.2 
E)  None of these 
A)  7.5 
B)  7.4 
C)  7.3 
D)  7.2 
E)  None of these

Question 7

Use  And  To represent the range of   
by using interval notation.

Accepted Answer

A)    
B)    
C)    
D)    
E)  None of these 
A)    
B)    
C)    
D)    
E)  None of these

Question 8

Use   to find

Accepted Answer

A)    
B)    
C)    
D)    
E)  None of these 
A)    
B)    
C)    
D)    
E)  None of these

Use the change of base formula to rewrite .

The intensity of sound from a clap of thunder is . Find the loudness in decibels. Round to the nearest whole number.

Graph the function

Use and to represent the domain of by using interval notation.

The concentration of hydronium ions in a solution is . Find the pH of the solution. Round to the nearest tenth.

Use And To represent the range of by using interval notation.

Use to find

Fundamentals of Algebra

Polynomials and Absolute Value

Relations and Functions

Systems of Linear Equations

Rational Expressions, Equations and Functions

Radical Expressions, Equations and Functions

Quadratic Expressions, Equations and Functions

Conic Sections Systems of Non-Linear Equations

Sequences, Series and the Binomial Theorem

Filters

Exam 8: Exponential and Logarithmic Expressions, Equations and Functions

Use the change of base formula to rewrite .

The intensity of sound from a clap of thunder is . Find the loudness in decibels. Round to the nearest whole number.

Graph the function

Use and to represent the domain of by using interval notation.

The concentration of hydronium ions in a solution is . Find the pH of the solution. Round to the nearest tenth.

Use And To represent the range of by using interval notation.

Use to find

Fundamentals of Algebra

Polynomials and Absolute Value

Relations and Functions

Systems of Linear Equations

Rational Expressions, Equations and Functions

Radical Expressions, Equations and Functions

Quadratic Expressions, Equations and Functions

Conic Sections Systems of Non-Linear Equations

Sequences, Series and the Binomial Theorem

Filters