PRE CALCULUS Exponential and Logarithmic Functions 2

Question 1

What is log_2(32) equal to?

Accepted Answer

5

Answer

4

Answer

6

Answer

16

Question 2

Which property of logarithms states that log_b(MN) = log_b(M) + log_b(N)?

Accepted Answer

Product rule

Answer

Power rule

Answer

Quotient rule

Answer

Change of base rule

Question 3

Simplify: log_5(125) − log_5(5)

Accepted Answer

2

Answer

1

Answer

3

Answer

25

Question 4

What is the natural logarithm ln(e^7)?

Accepted Answer

7

Answer

e^7

Answer

7e

Answer

1/7

Question 5

What is the domain of f(x) = log_3(x − 4)?

Accepted Answer

x > 4

Answer

x > 0

Answer

x ≥ 4

Answer

all real numbers

Question 6

Using the change of base formula, log_7(50) equals which of the following?

Accepted Answer

log(50)/log(7)

Answer

ln(7)/ln(50)

Answer

log(7)/log(50)

Answer

ln(50) − ln(7)

Question 7

Which of the following is equivalent to log_b(x^4)?

Accepted Answer

4·log_b(x)

Answer

4 + log_b(x)

Answer

log_b(4x)

Answer

log_b(x)/4