Question 1

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

Accepted Answer

A)   
B)   
C)   
D)

Question 2

Solve the equation without using a calculator.
-

Accepted Answer

A)   
B)   
C)  4 
D)  -4

Question 3

Determine whether the given function is one-to-one. If it is one-to-one, find its inverse function.
-

Accepted Answer

A)   
B)   
C)   
D)  not a one-to-one function

Question 4

Solve the problem.
-Alicia invests $14,000 in a savings account earning interest at a rate of 12% compounded semiannually. Find the amount in the account at the end of 14 years.

Accepted Answer

A)  $57,563.61 
B)  $67,512.84 
C)  $71,563.61 
D)  $68,419.57

Question 5

Find the unknown value.
-

Accepted Answer

A)   
B)  6 
C)   
D)  9

Question 6

Graph the function.
-

Accepted Answer

A)   
B)   
C)   
D)

Question 7

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

Accepted Answer

A)  7.71 
B)  -0.60 
C)  1.56 
D)  -5.60

Question 8

Graph the function.
-

Accepted Answer

A)   
B)   
C)   
D)

Question 9

Write as a logarithm of a single expression.
-

Accepted Answer

A)   
B)   
C)   
D)

Exam 13: Exponential and Logarithmic Functions

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

Solve the equation without using a calculator. -

Determine whether the given function is one-to-one. If it is one-to-one, find its inverse function. -

Solve the problem. -Alicia invests $14,000 in a savings account earning interest at a rate of 12% compounded semiannually. Find the amount in the account at the end of 14 years.

Find the unknown value. -

Graph the function. -

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

Graph the function. -

Write as a logarithm of a single expression. -