Question 1

Solve the equation for x.
   
Round your answer to 2 decimal places.

Accepted Answer

44. 70

Question 2

Upon her retirement, Mary begins to receive money from a retirement account. The function,   , gives the money remaining, M, in the account t years after her retirement. How many years until Mary has received half of the money from the account?
Round your answer to the nearest year.

Accepted Answer

7 years

Question 3

Graph the function   over the interval

Accepted Answer

The answer of Graph the function   over the...

Question 4

The function,   , gives the value, V, of an investment t years after the initial investment. How many years until the value of the investment doubles?
Round your answer to the nearest year.

Accepted Answer

The answer of The function,   , gives the...

Question 5

Expand the following expression using rules of logarithms:

Accepted Answer

The answer of Expand the following expression using rules of...

Question 6

Contract the following expression using rules of logarithms. Express your answer as a single logarithm.

Accepted Answer

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

Question 7

Which one of the following is true about the graph of

Accepted Answer

A)  It lies to the left of the y-axis. 
B)  It is always decreasing. 
C)  It has a vertical asymptote at x=0. 
D)  It is concave up. 
A)  It lies to the left of the y-axis. 
B)  It is always decreasing. 
C)  It has a vertical asymptote at x=0. 
D)  It is concave up.

Question 8

Expand the following expression using rules of logarithms:

Accepted Answer

The answer of Expand the following expression using rules of...

Question 9

Expand the following expression using rules of logarithms:

Accepted Answer

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

Question 10

Which of the following is the exact solution to the equation:

Accepted Answer

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

Question 11

A growth rate of 14% of corresponds to what continuous growth rate?
Write your answer as a percent rounded to 2 decimal places.

Accepted Answer

The answer of A growth rate of 14% of corresponds...

Question 12

Which of the following functions would not appear as a straight line on a semi-log plot?

Accepted Answer

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

Question 13

If an investment earns interest at a rate of 7.5% compounded continuously, what is the effective annual interest rate?
Round the answer to the nearest hundredth of a percent.

Accepted Answer

The answer of If an investment earns interest at a...

Question 14

The noise level, N, of a sound (measured in decibels,db) is defined to be   where I is the intensity of the sound (measured in watts/cm2).
Find the intensity (in watts/cm2) of a sound with a noise level of 30 decibels.
Write your answer as a power of ten.

Accepted Answer

@#IMG-DLM& watts/cm<

Question 15

Solve the equation for x.
   
Round your answer to 2 decimal places.

Accepted Answer

The answer of Solve the equation for x.
  ...

Question 16

Which of the following is a semi-log plot of the function

Accepted Answer

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

Question 17

Write the exponential function,   , in an equivalent logarithmic form,   .
Round values to 2 decimal places, if necessary.

Accepted Answer

The answer of Write the exponential function,   ,...

Question 18

Which of the following is the exact solution of the equation?

Accepted Answer

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

Question 19

Expand the following expression using rules of logarithms:

Accepted Answer

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

Question 20

Upon her retirement, Mary begins to receive money from a retirement account. The function,   , gives the money remaining, M, in the account t years after her retirement. How many years until the account balance is $490,000?
Round your answer to the nearest year.

Accepted Answer

The answer of Upon her retirement, Mary begins to receive...

Solve the equation for x. Round your answer to 2 decimal places.

Upon her retirement, Mary begins to receive money from a retirement account. The function, , gives the money remaining, M, in the account t years after her retirement. How many years until Mary has received half of the money from the account? Round your answer to the nearest year.

Graph the function over the interval

The function, , gives the value, V, of an investment t years after the initial investment. How many years until the value of the investment doubles? Round your answer to the nearest year.

Expand the following expression using rules of logarithms:

Contract the following expression using rules of logarithms. Express your answer as a single logarithm.

Which one of the following is true about the graph of

Expand the following expression using rules of logarithms:

Expand the following expression using rules of logarithms:

Which of the following is the exact solution to the equation:

A growth rate of 14% of corresponds to what continuous growth rate? Write your answer as a percent rounded to 2 decimal places.

Which of the following functions would not appear as a straight line on a semi-log plot?

If an investment earns interest at a rate of 7.5% compounded continuously, what is the effective annual interest rate? Round the answer to the nearest hundredth of a percent.

The noise level, N, of a sound (measured in decibels,db) is defined to be where I is the intensity of the sound (measured in watts/cm²). Find the intensity (in watts/cm²) of a sound with a noise level of 30 decibels. Write your answer as a power of ten.

Solve the equation for x. Round your answer to 2 decimal places.

Which of the following is a semi-log plot of the function

Write the exponential function, , in an equivalent logarithmic form, . Round values to 2 decimal places, if necessary.

Which of the following is the exact solution of the equation?

Expand the following expression using rules of logarithms:

Upon her retirement, Mary begins to receive money from a retirement account. The function, , gives the money remaining, M, in the account t years after her retirement. How many years until the account balance is $490,000? Round your answer to the nearest year.

An Introduction to Data and Functions

Rates of Change and Linear Functions

When Lines Meet: Linear Systems

The Laws of Exponents and Logarithms: Measuring the Universe

Growth and Decay: An Introduction to Exponential Functions

Power Functions

Quadratics and the Mathematics of Motion

New Functions From Old

Filters

Exam 6: Logarithmic Links: Logarithmic and Exponential Functions

Solve the equation for x. Round your answer to 2 decimal places.

Upon her retirement, Mary begins to receive money from a retirement account. The function, , gives the money remaining, M, in the account t years after her retirement. How many years until Mary has received half of the money from the account? Round your answer to the nearest year.

Graph the function over the interval

The function, , gives the value, V, of an investment t years after the initial investment. How many years until the value of the investment doubles? Round your answer to the nearest year.

Expand the following expression using rules of logarithms:

Contract the following expression using rules of logarithms. Express your answer as a single logarithm.

Which one of the following is true about the graph of

Expand the following expression using rules of logarithms:

Expand the following expression using rules of logarithms:

Which of the following is the exact solution to the equation:

A growth rate of 14% of corresponds to what continuous growth rate? Write your answer as a percent rounded to 2 decimal places.

Which of the following functions would not appear as a straight line on a semi-log plot?

If an investment earns interest at a rate of 7.5% compounded continuously, what is the effective annual interest rate? Round the answer to the nearest hundredth of a percent.

The noise level, N, of a sound (measured in decibels,db) is defined to be where I is the intensity of the sound (measured in watts/cm2). Find the intensity (in watts/cm2) of a sound with a noise level of 30 decibels. Write your answer as a power of ten.

Solve the equation for x. Round your answer to 2 decimal places.

Which of the following is a semi-log plot of the function

Write the exponential function, , in an equivalent logarithmic form, . Round values to 2 decimal places, if necessary.

Which of the following is the exact solution of the equation?

Expand the following expression using rules of logarithms:

Upon her retirement, Mary begins to receive money from a retirement account. The function, , gives the money remaining, M, in the account t years after her retirement. How many years until the account balance is $490,000? Round your answer to the nearest year.

An Introduction to Data and Functions

Rates of Change and Linear Functions

When Lines Meet: Linear Systems

The Laws of Exponents and Logarithms: Measuring the Universe

Growth and Decay: An Introduction to Exponential Functions

Power Functions

Quadratics and the Mathematics of Motion

New Functions From Old

Filters

The noise level, N, of a sound (measured in decibels,db) is defined to be where I is the intensity of the sound (measured in watts/cm²). Find the intensity (in watts/cm²) of a sound with a noise level of 30 decibels. Write your answer as a power of ten.