Exponential Decay

Identify the following exponential function
y = 100(.55^x)

• Exponential Growth

• Exponential Decay

Tags

CCSS.HSF-IF.C.8B

You buy a car for $4800. The car depreciation rate is 14.7% annually. Which equation models how much the car would be worth after t years?

Tags

CCSS.HSF.LE.A.2

Daniel’s Print Shop purchased a new printer for $35,000. Each year it depreciates at a rate of 5%. How much will the printer be worth in 8 years?

• $23,219.72

• $136.72

• $51,710.94

• $16,710.94

Tags

CCSS.HSF.BF.A.2

A car is purchased for $28,000.  The value of the car depreciates 15% per year.  What is the value of the car after 5 years?

• $12,424

• $10,560

• $5,600

• $56,318

Tags

CCSS.HSF.BF.A.2

Does this graph represent exponential decay?

• Yes

• No

Tags

CCSS.HSF-IF.C.7E

Does this graph represent exponential decay?

• Yes

• No

Tags

CCSS.HSF-IF.C.7E

Does this equation show exponential growth or decay? REMEMBER: (d > 1 = growth) (d < 1 = decay) y = 5000 (.44)^4

• Exponential Growth

• Exponential Decay

Tags

CCSS.HSF-IF.C.8B

Does this equation show exponential growth or decay? REMEMBER: (d > 1 = growth) (d < 1 = decay) y = 4500 (.33)^6

• Exponential Growth

• Exponential Decay

Tags

CCSS.HSF-IF.C.8B

A population of eagles starts at 5,000 and decreases by 5% per year.

What is the r (rate) expressed in decimal form.

• 5,000

• 5%

• .5

• .05

Tags

CCSS.HSF-LE.A.1C

A population of eagles starts at 5,000 and decreases by 5% per year.

How many eagles will be left in 4 years? Round to the nearest whole number.

• 3,125

• 4,073

• 313

• 3,000

Tags

CCSS.HSF-LE.A.1C