Exponential Growth and Decay Review

Movie tickets now average $9.75 a ticket, but are increasing by 15% per year. How much will they cost in 5 years?

• $12.41

• $4.33

• $7.40

• $19.61

Tags

CCSS.HSA.SSE.A.1

CCSS.HSF.BF.A.1

CCSS.HSF.LE.A.1

CCSS.HSF.LE.A.2

CCSS.HSF.LE.B.5

A powerful computer is purchased for $2000, but on the average will lose 20% value each year. What will it be worth 4 years from now?

• $819.20

• $2000

• $3.20

• $320.00

Tags

CCSS.HSA.CED.A.1

CCSS.HSA.SSE.A.1

CCSS.HSF.BF.A.1

CCSS.HSF.LE.A.1

CCSS.HSF.LE.A.2

Dinner at your grandfather's favorite restaurant now costs $25.25 and has been increasing steadily at 4% per year. How much did it cost to eat at the same restaurant 35 years ago?

• $2.98

• $6.40

• $6.39

• $2.99

Tags

CCSS.HSA.CED.A.1

CCSS.HSA.SSE.A.1

CCSS.HSF.BF.A.1

CCSS.HSF.BF.A.2

CCSS.HSF.LE.A.1

CCSS.HSF.LE.A.2

If a gallon of milk costs $3 now and the price is increasing 10% per year, many years before a gallon milk costs $10 a gallon?

• 13 years

• 12 years

• 14 years

• 11 years

Tags

CCSS.HSA.CED.A.1

CCSS.HSA.SSE.A.1

CCSS.HSF.BF.A.1

CCSS.HSF.LE.A.1

CCSS.HSF.LE.A.2

The number of bacteria present in a colony is 180 at noon. The bacteria is growing at a rate of 22% per hour. How many bacteria will be present at 8pm the same day?

• 900

• 833

• 64

• 9.88 E 12

Tags

CCSS.HSA.CED.A.1

CCSS.HSA.SSE.A.1

CCSS.HSF.BF.A.1

CCSS.HSF.LE.A.1

CCSS.HSF.LE.A.2

CCSS.HSF.LE.B.5

A house was purchased for $226,000. Due to a decline in the community's upkeep, it has lost 4% of its value each year for the past 5 years. What is it worth now?

• $274,963.56

• $0.02

• $184,274.23

• $231,424.00

Tags

CCSS.HSA.CED.A.1

CCSS.HSA.SSE.A.1

CCSS.HSF.BF.A.1

CCSS.HSF.LE.A.1

CCSS.HSF.LE.A.2

A 1970 comic book has appreciated 10% per year. In 1970, it sold for $0.35. What was it worth in 2010?

• $3.50

• $15.84

• $3.5 E39

• $6.11

Tags

CCSS.HSA.CED.A.1

CCSS.HSA.SSE.A.1

CCSS.HSF.BF.A.1

CCSS.HSF.BF.A.2

CCSS.HSF.LE.A.1

CCSS.HSF.LE.A.2

A Honda Accord depreciates at 15% per year. Six years ago it was purchased for $21,000. What is it worth now?

• $27,574.28

• $48,574.28

• $7,920.14

• $13,079.86

Tags

CCSS.HSA.CED.A.1

CCSS.HSF.LE.A.1

CCSS.HSF.LE.A.2

CCSS.HSF.LE.B.5

What is the initial value for the function: f(x) = 300(1.16)^x?

• 300
• 1.16
• .16
• x

Tags

CCSS.HSF.LE.B.5

What is the growth factor for the function: f(x) = 300(1.16)^x?

• 300
• 1.16
• .16
• x

Tags

CCSS.HSF.LE.A.1

CCSS.HSF.LE.B.5