Question 1

Write the equation in exponential form.
-

Accepted Answer

A)   
B)   
C)   
D)

Question 2

Solve the problem.
-Austin invested $12,000 in an account at 11% compounded quarterly. Find the amount in Austin's account after a period of 3 years.

Accepted Answer

A)  $4617.41 
B)  $16,172.66 
C)  $16,411.57 
D)  $16,617.41

Question 3

Solve the problem.
-The Richter Scale measures the magnitude M of an earthquake. An earthquake whose seismographic reading measures x millimeters 100 kilometers from the epicenter has magnitude M given by  Give
The magnitude of an earthquake that resulted in a seismographic reading of 90,019 millimeters 100 kilometers
From its epicenter. Round to the nearest tenth.

Accepted Answer

A)  8.0 
B)  7.0 
C)  2.0 
D)  9.0

Question 4

Solve the problem.
-How many times more intense is an earthquake that measures 6.1 on the Richter scale than one that measures 3.8?

Accepted Answer

A)  199.526231 
B)  23 
C)  1,258,925.41 
D)  2.3

Question 5

Use a calculator to solve the equation. Round the answer to the nearest hundredth.
-

Accepted Answer

A)  2.47 
B)  -2.46 
C)  0.41 
D)  2.46

Question 6

Find the common logarithm of the number. Round answer to four decimal places.
-log 0.00269

Accepted Answer

A)  -2.5702 
B)  -5.9182 
C)  -2.5867 
D)  -2.5544

Question 7

Determine whether the function is a one-to-one function.
-

Accepted Answer

A)  Yes 
B)  No

Question 8

Determine whether the function is a one-to-one function.
-

Accepted Answer

A)  Yes 
B)  No

Question 9

Solve the equation. Use a calculator where appropriate. If the answer is irrational, round to the nearest hundredth.
-

Accepted Answer

A)  0.77 
B)  1.26 
C)  1.73 
D)  1.10

Question 10

Find the common logarithm of the number. Round answer to four decimal places.
-

Accepted Answer

A)  1.0188 
B)  0.4265 
C)  0.4425 
D)  0.4579

Question 11

Evaluate.
-

Accepted Answer

A)  -64 
B)  -3 
C)  3 
D)  64

Question 12

Graph the function.
-

Accepted Answer

A)   
B)   
C)   
D)

Question 13

Determine whether the function is a one-to-one function.
-

Accepted Answer

A)  Yes 
B)  No

Question 14

Write as a logarithm of a single expression.
-

Accepted Answer

A)   
B)   
C)   
D)

Question 15

Solve the problem.
-The value of a particular investment follows a pattern of exponential growth. In the year 2000, you invested money in a money market account. The value of your investment t years after 2000 is given by the exponential
Growth model A  When will the account be worth $2834?

Accepted Answer

A)  2010 
B)  2007 
C)  2009 
D)  2008

Question 16

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

Accepted Answer

A)   
B)   
C)   
D)

Question 17

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

Accepted Answer

A)   
B)   
C)   
D)

Question 18

Determine whether the function is a one-to-one function.
-

Accepted Answer

A)  Yes 
B)  No

Question 19

Solve the problem.
-The function  can be used to determine the milligrams D of a certain drug in a patient's bloodstream h hours after the drug has been given. How many milligrams,rounded to two decimal places, will
Be present after 7 hours?

Accepted Answer

A)  82.20 mg 
B)  0.95 mg 
C)  3.63 mg 
D)  0.30 mg

Question 20

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

Accepted Answer

A)   
B)   
C)   
D)

Exam 13: Exponential and Logarithmic Functions

Write the equation in exponential form. -

Solve the problem. -Austin invested $12,000 in an account at 11% compounded quarterly. Find the amount in Austin's account after a period of 3 years.

Solve the problem. -How many times more intense is an earthquake that measures 6.1 on the Richter scale than one that measures 3.8?

Use a calculator to solve the equation. Round the answer to the nearest hundredth. -

Find the common logarithm of the number. Round answer to four decimal places. -log 0.00269

Determine whether the function is a one-to-one function. -

Determine whether the function is a one-to-one function. -

Solve the equation. Use a calculator where appropriate. If the answer is irrational, round to the nearest hundredth. -

Find the common logarithm of the number. Round answer to four decimal places. -

Evaluate. -

Graph the function. -

Determine whether the function is a one-to-one function. -

Write as a logarithm of a single expression. -

Solve the problem. -The value of a particular investment follows a pattern of exponential growth. In the year 2000, you invested money in a money market account. The value of your investment t years after 2000 is given by the exponential Growth model A When will the account be worth $2834?

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

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

Determine whether the function is a one-to-one function. -

Solve the problem. -The function can be used to determine the milligrams D of a certain drug in a patient's bloodstream h hours after the drug has been given. How many milligrams,rounded to two decimal places, will Be present after 7 hours?

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