Question 1

Rewriting the statement  using exponents gives

Accepted Answer

A)   
B)   
C)   
D)

Question 2

The following table gives v as a linear function of w. 
  If

Accepted Answer

The answer of The following table gives v as a...

Question 3

If the equation   is converted to the form  , then a = _____ and k = _____. Give k to 4 decimal places.

Accepted Answer

The answer of If the equation   is converted...

Question 4

The following table gives v as a linear function of w. 
  If  and  , find a formula for y in terms of x.

Accepted Answer

The answer of The following table gives v as a...

Question 5

Solve for t:

Accepted Answer

The answer of Solve for t:  ...

Question 6

Let  and
 . What is  ?

Accepted Answer

A)   
B)   
C)   
D)

Question 7

Solve   using logs. Give your answer to 3 decimal places.

Accepted Answer

The answer of Solve   using logs. Give your...

Question 8

A certain country is experiencing deflation and prices are falling by 2.8% each month. If a certain item currently costs $38, how much will the item cost in a year?

Accepted Answer

The answer of A certain country is experiencing deflation and...

Question 9

What is the hydrogen ion concentration [H⁺] for a substance with a pH of 4.3?

Accepted Answer

The answer of What is the hydrogen ion concentration [H⁺]...

Question 10

Rewriting  using logs gives

Accepted Answer

A)   
B)   
C)   
D)

Question 11

An earthquake measured 5.1 on the Richter scale. How many times more powerful were the seismic waves than standard seismic waves?

Accepted Answer

The answer of An earthquake measured 5.1 on the Richter...

Question 12

The half-life of a substance is 36 hours. If there are initially 100 grams of the substance, write a formula to determine the amount Q remaining after t hours.

Accepted Answer

The answer of The half-life of a substance is 36...

Question 13

Solve   for  . Give your answer to 4 decimal places.

Accepted Answer

The answer of Solve   for  . Give...

Question 14

Find the domain and asymptotes of the function

Accepted Answer

The answer of Find the domain and asymptotes of the...

Question 15

If you wished to graph the number of moons of each planet in the solar system on a standard sheet of paper, would you use a standard or a logarithmic scale?

Accepted Answer

The answer of If you wished to graph the number...

Question 16

The following table gives v as a linear function of w.   If  and  , find a formula for y in terms of x.

Accepted Answer

The answer of The following table gives v as a...

Question 17

The doubling time for a bank account that is growing by 3.1% per year (compounded continually) is _____ years. Round 1 decimal place.

Accepted Answer

The answer of The doubling time for a bank account...

Question 18

Suppose a certain population decreases by one third every 7 years. If the population is initially 19,000, what is the size of the population after 10 years? Round your answer to the nearest whole number.

Accepted Answer

The answer of Suppose a certain population decreases by one...

Question 19

Does  ?

Accepted Answer

A) True 
 B)False

Question 20

Find a possible formula for the following graph using either logarithms or exponentials.

Accepted Answer

The answer of Find a possible formula for the following...

Exam 5: Logarithmic Functions

Rewriting the statement using exponents gives

The following table gives v as a linear function of w. If

If the equation is converted to the form , then a = _ and k = _. Give k to 4 decimal places.

The following table gives v as a linear function of w. If and , find a formula for y in terms of x.

Solve for t:

Let and . What is ?

Solve using logs. Give your answer to 3 decimal places.

A certain country is experiencing deflation and prices are falling by 2.8% each month. If a certain item currently costs $38, how much will the item cost in a year?

What is the hydrogen ion concentration [H⁺] for a substance with a pH of 4.3?

Rewriting using logs gives

An earthquake measured 5.1 on the Richter scale. How many times more powerful were the seismic waves than standard seismic waves?

The half-life of a substance is 36 hours. If there are initially 100 grams of the substance, write a formula to determine the amount Q remaining after t hours.

Solve for . Give your answer to 4 decimal places.

Find the domain and asymptotes of the function

If you wished to graph the number of moons of each planet in the solar system on a standard sheet of paper, would you use a standard or a logarithmic scale?

The following table gives v as a linear function of w. If and , find a formula for y in terms of x.

The doubling time for a bank account that is growing by 3.1% per year (compounded continually) is _____ years. Round 1 decimal place.

Suppose a certain population decreases by one third every 7 years. If the population is initially 19,000, what is the size of the population after 10 years? Round your answer to the nearest whole number.

Does ?

Find a possible formula for the following graph using either logarithms or exponentials.

Exam 5: Logarithmic Functions

Rewriting the statement using exponents gives

The following table gives v as a linear function of w. If

If the equation is converted to the form , then a = _____ and k = _____. Give k to 4 decimal places.

The following table gives v as a linear function of w. If and , find a formula for y in terms of x.

Solve for t:

Let and . What is ?

Solve using logs. Give your answer to 3 decimal places.

A certain country is experiencing deflation and prices are falling by 2.8% each month. If a certain item currently costs $38, how much will the item cost in a year?

What is the hydrogen ion concentration [H+] for a substance with a pH of 4.3?

Rewriting using logs gives

An earthquake measured 5.1 on the Richter scale. How many times more powerful were the seismic waves than standard seismic waves?

The half-life of a substance is 36 hours. If there are initially 100 grams of the substance, write a formula to determine the amount Q remaining after t hours.

Solve for . Give your answer to 4 decimal places.

Find the domain and asymptotes of the function

If you wished to graph the number of moons of each planet in the solar system on a standard sheet of paper, would you use a standard or a logarithmic scale?

The following table gives v as a linear function of w. If and , find a formula for y in terms of x.

The doubling time for a bank account that is growing by 3.1% per year (compounded continually) is _____ years. Round 1 decimal place.

Suppose a certain population decreases by one third every 7 years. If the population is initially 19,000, what is the size of the population after 10 years? Round your answer to the nearest whole number.

Does ?

Find a possible formula for the following graph using either logarithms or exponentials.

If the equation is converted to the form , then a = _ and k = _. Give k to 4 decimal places.

What is the hydrogen ion concentration [H⁺] for a substance with a pH of 4.3?