Solve Exponential Equations

81^3-x = (1/3)^5x-6

• 6

• -6

• 9/2

• 3/2

6^{-2  =} 

• 12

• -36

• 1/36

• 1/6

Solve: 9^8-x = 27^x-3

• x = 5

• x = -5

• x = 1/5

• x = -1/5

Solve: 2^x = 4^x+1

• x = -2

• x = 2

• x = -3

• x = 3

Solve:
16^x-3 = 8^x-3

The value of a book is $58 and depreciates at a rate of 7% per year. Write an exponential function to find the value of the book after 8 years.

• $32.46

• $76.32

• $54.26

• $73.62

The population of a small town is 1600 and is increasing at a rate of 3% per year. Write an exponential function to model this situation. Then find the population of the town after 10 years.

• 2,150 people

• 1,738 people

• 2,128 people

• 1,819 people