Chapter 6 Review #2

What is the base of the natural logarithm?

• 2

• 10

• e

• 0

• 2.15

• 3.45

• 1.88

• 4.32

• 
• log81 = 3

• log1 = 3

• log4 = 81

Expand: log(5x)

• log 5 + log x

• log 5 + 3log x

• 5log x

• log 5x

Solve for x: log x = 2

• 2

• 20

• 100

• 10

Solve: log(x + 4) = 1

• -3

• 10

• 5

• 6

Expand: log(xy)

• log x + log y

• 2log x + 3log y

• log(xy)

• log x + log y

• 3.91

• 4.00

• 5.42

• 3.91

• 4

• 0

• 1

• xy

• 4

• 3

• 2

• 5