Question 1

where   is the concentration of hydrogen ions in solution. Find the pH of a bottle of vinegar if the concentration of hydrogen ions is   pH = __________

Accepted Answer

The answer of   where   is the...

Question 2

Choose the graph of the following logarithmic equation.

Accepted Answer

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

Question 3

Simplify.

Accepted Answer

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

Question 4

Let   Evaluate g (-2).

Accepted Answer

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

Question 5

Solve the exponential equation. Round your answer to four decimal places, if necessary.   x = __________

Accepted Answer

The answer of Solve the exponential equation. Round your answer...

Question 6

Solve the equation.

Accepted Answer

A)  x = 9 
B)  x = 50 
C)  x = 49 
D)  x = 10 
E)  x = 45 
A)  x = 9 
B)  x = 50 
C)  x = 49 
D)  x = 10 
E)  x = 45

Question 7

Find the magnitude M of an earthquake with a shock wave that measures T = 10,000,000 on a seismograph. M = __________

Accepted Answer

The answer of Find the magnitude M of an earthquake...

Question 8

Find a decimal approximation of the following natural logarithm. ln 350

Accepted Answer

A)  5.8579 
B)  5.8542 
C)  5.8590 
D)  2.5441 
E)  5.8602 
A)  5.8579 
B)  5.8542 
C)  5.8590 
D)  2.5441 
E)  5.8602

Question 9

Find x .

Accepted Answer

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

Question 10

Previously we indicated that the pH of a solution is defined in terms of logarithms as   where   is the concentration of the hydrogen ion in that solution. Find the concentration of hydrogen ions in a glass of wine if the pH is 4.95 to three significant digits.

Accepted Answer

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

Question 11

Find the following logarithm to four decimal places, if necessary.

Accepted Answer

The answer of Find the following logarithm to four decimal...

Question 12

Simplify the following expression.

Accepted Answer

A)  e 
B)  - 7 e 
C)  1 
D)  7 
E)  - 7 
A)  e 
B)  - 7 e 
C)  1 
D)  7 
E)  - 7

Question 13

In 1990, $699 billion were spent on health care. Health care expenditures, E , in billions of dollars, can be estimated using the function   where t is time in years since 1970 (U.S. Census Bureau.) What are the expected health care expenditures in 2009, 2010, and 2011?

Accepted Answer

A)  $4,445 billion in 2009, $5,080 billion in 2010 and $5,639 billion in 2011. 
B)  $4,577 billion in 2009, $5,225 billion in 2010 and $5,806 billion in 2011. 
C)  $4,445 billion in 2009, $5,080 billion in 2010 and $5,806 billion in 2011. 
D)  $4,577 billion in 2009, $5,080 billion in 2010 and $5,639 billion in 2011. 
E)  $4,445 billion in 2009, $5,225 billion in 2010 and $5,639 billion in 2011. 
A)  $4,445 billion in 2009, $5,080 billion in 2010 and $5,639 billion in 2011. 
B)  $4,577 billion in 2009, $5,225 billion in 2010 and $5,806 billion in 2011. 
C)  $4,445 billion in 2009, $5,080 billion in 2010 and $5,806 billion in 2011. 
D)  $4,577 billion in 2009, $5,080 billion in 2010 and $5,639 billion in 2011. 
E)  $4,445 billion in 2009, $5,225 billion in 2010 and $5,639 billion in 2011.

Question 14

Use properties of logarithms to expand the expression as much as possible.

Accepted Answer

The answer of Use properties of logarithms to expand the...

Question 15

The function   where V is value and t is time in years, can be used to find the value of a crane for the first 6 years of use. How much time must pass before the crane will be worth only $80,000?

Accepted Answer

A)  8 years and 9 months 
B)  6 years and 3 months 
C)  8 years and 4 months 
D)  5 years and 10 months 
E)  10 years and 3 months 
A)  8 years and 9 months 
B)  6 years and 3 months 
C)  8 years and 4 months 
D)  5 years and 10 months 
E)  10 years and 3 months

Question 16

How much larger is the shock wave of an earthquake that measures 7.5 on the Richter scale than one that measures 5.5 on the same scale?

Accepted Answer

A)  100 times larger 
B)  2,000 times larger 
C)  2 times larger 
D)  5.5 times larger 
E)  7.5 times larger 
A)  100 times larger 
B)  2,000 times larger 
C)  2 times larger 
D)  5.5 times larger 
E)  7.5 times larger

Question 17

Suppose you deposit $1,600 in an account with an annual interest rate of 9% compounded quarterly. Find the amount of money in the account after 15 years. Please round your answer to the nearest cent. $__________

Accepted Answer

The answer of Suppose you deposit $1,600 in an account...

Question 18

Use properties of logarithms to expand the expression as much as possible.

Accepted Answer

The answer of Use properties of logarithms to expand the...

Question 19

Choose the answer that shows the equation in exponential form.

Accepted Answer

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

Question 20

Use properties of logarithms to expand the expression as much as possible.

Accepted Answer

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

where is the concentration of hydrogen ions in solution. Find the pH of a bottle of vinegar if the concentration of hydrogen ions is pH = __________

Choose the graph of the following logarithmic equation.

Simplify.

Let Evaluate g (-2).

Solve the exponential equation. Round your answer to four decimal places, if necessary. x = __________

Solve the equation.

Find the magnitude M of an earthquake with a shock wave that measures T = 10,000,000 on a seismograph. M = __________

Find a decimal approximation of the following natural logarithm. ln 350

Find x .

Previously we indicated that the pH of a solution is defined in terms of logarithms as where is the concentration of the hydrogen ion in that solution. Find the concentration of hydrogen ions in a glass of wine if the pH is 4.95 to three significant digits.

Find the following logarithm to four decimal places, if necessary.

Simplify the following expression.

In 1990, $699 billion were spent on health care. Health care expenditures, E , in billions of dollars, can be estimated using the function where t is time in years since 1970 (U.S. Census Bureau.) What are the expected health care expenditures in 2009, 2010, and 2011?

Use properties of logarithms to expand the expression as much as possible.

The function where V is value and t is time in years, can be used to find the value of a crane for the first 6 years of use. How much time must pass before the crane will be worth only $80,000?

How much larger is the shock wave of an earthquake that measures 7.5 on the Richter scale than one that measures 5.5 on the same scale?

Suppose you deposit $1,600 in an account with an annual interest rate of 9% compounded quarterly. Find the amount of money in the account after 15 years. Please round your answer to the nearest cent. $__________

Use properties of logarithms to expand the expression as much as possible.

Choose the answer that shows the equation in exponential form.

Use properties of logarithms to expand the expression as much as possible.

Notation and Symbols

Simplifying Expressions

Paired Data and Graphing Ordered Pairs

Multiplication With Exponents

The Greatest Common Factor and Factoring by Grouping

Reducing Rational Expressions to Lowest Terms

Review of Solving Equations

The Slope of a Line

Rational Exponents

Completing the Square

The Circle

Sequences

Filters

Exam 11: Exponential Functions

where is the concentration of hydrogen ions in solution. Find the pH of a bottle of vinegar if the concentration of hydrogen ions is pH = __________

Choose the graph of the following logarithmic equation.

Simplify.

Let Evaluate g (-2).

Solve the exponential equation. Round your answer to four decimal places, if necessary. x = __________

Solve the equation.

Find the magnitude M of an earthquake with a shock wave that measures T = 10,000,000 on a seismograph. M = __________

Find a decimal approximation of the following natural logarithm. ln 350

Find x .

Previously we indicated that the pH of a solution is defined in terms of logarithms as where is the concentration of the hydrogen ion in that solution. Find the concentration of hydrogen ions in a glass of wine if the pH is 4.95 to three significant digits.

Find the following logarithm to four decimal places, if necessary.

Simplify the following expression.

In 1990, $699 billion were spent on health care. Health care expenditures, E , in billions of dollars, can be estimated using the function where t is time in years since 1970 (U.S. Census Bureau.) What are the expected health care expenditures in 2009, 2010, and 2011?

Use properties of logarithms to expand the expression as much as possible.

The function where V is value and t is time in years, can be used to find the value of a crane for the first 6 years of use. How much time must pass before the crane will be worth only $80,000?

How much larger is the shock wave of an earthquake that measures 7.5 on the Richter scale than one that measures 5.5 on the same scale?

Suppose you deposit $1,600 in an account with an annual interest rate of 9% compounded quarterly. Find the amount of money in the account after 15 years. Please round your answer to the nearest cent. $__________

Use properties of logarithms to expand the expression as much as possible.

Choose the answer that shows the equation in exponential form.

Use properties of logarithms to expand the expression as much as possible.

Notation and Symbols

Simplifying Expressions

Paired Data and Graphing Ordered Pairs

Multiplication With Exponents

The Greatest Common Factor and Factoring by Grouping

Reducing Rational Expressions to Lowest Terms

Review of Solving Equations

The Slope of a Line

Rational Exponents

Completing the Square

The Circle

Sequences

Filters