Exponential Log Review

The value of a car is $15,000 and depreciates at a rate of 8% per year. What is the exponential equation?

• y=8(15,000)^x

• y=15,000(1.08)^x

• y=15,000(0.92)^x

• y=15,000(0.08)^x

Use the function, M=.05(2)^t, where M is the amount of money you have after t days.
How much money will you have after 14 days?

• $ 819.20

• $ 8,192.00

• $ 1.40

• $ 819.02

Solve: 7^3x = 18. Round to the nearest tenth.

• x = 0.5

• x = 2.3

• x = 3.6

• x = 10.4

• x = 1.5

Match the graph with its equation

• y = log₆(-x) + 1

• y = log₆(x − 2) + 1

• y = log₆(x + 2) - 1

• y = log(x-8) + 1

Match the graph with its equation

• y = log₅ (x + 1) + 1 

• y = log₅ (x - 1) + 1 

• y = log₅ (x²) + 1 

• y = log₅ (x)-1

log₃(1/9) =

• 1/2

• 2

• -2

• 3

log₄ x = 3

• 4

• 12

• 32

• 64

log₅(3x + 7) = 2

• 1

• 6

• -1

• -6

The number of people infected by a virus can be modeled by h(t) = 5.7 + 19ln(t). Where "t" is time in days. After how many days will 76 people be infected?

• 1450

• 88 days

• 4 days

• 40 days

Logarithmic functions are the inverse of...

• Linear Functions

• Exponential Functions 

• Quadratic Functions 

• Polynomial Functions