Chapter 7 Exponential Review

What values of b make an exponential growth function?

• b > 0

• b <1

• b > 1

• 0 < b < 1

Tags

CCSS.HSF-IF.C.8B

What values of b make an exponential decay function?

• b > 0

• b < 1

• b > 1

• 0 < b < 1

Tags

CCSS.HSF-IF.C.8B

Which the following graphs shows an exponential decay equation?

• 
• 
• 
• 

Tags

CCSS.HSF-IF.C.7E

What type of function is f(x)=2(1/7)^x ?

• Exponential Growth

• Linear

• Exponential Decay

• None of the Abovee

Tags

CCSS.HSF-IF.C.8B

Solve:
3^x-2 = 27^4x

• -2/11

• -2/3

• 2/11

• 2/3

Solve:
5^{1/2x + 4} = 125

• 1

• 2

• -2

• 14

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

• 9

• -3

• 0

• 3

A sailboat that costs $5,950 decreases in value by 11% per year. How much will the boat be worth after 6 years?

• $5,884.00

• $5,178.97

• $2,992.96

• $2,957.04

Tags

CCSS.HSF.BF.A.2

The value of a car purchased for $20,000 decreases at a rate of 12% per year. What will be the value of the car after 3 years?

• $12,800.00

• $13,629.44

• $17,600.00

• $28,098.56

Tags

CCSS.HSF.BF.A.2

Which of the following functions shows an initial amount of $15 and an increase of 35% each year?

• y = 15(35)^x

• y = 15(1 +.35)^x

• y = 15(1- .35)^x

• y = 35(1.15)^x

Tags

CCSS.HSF.LE.A.2