Growth or Decay Functions

Write the exponential function for :

 A population of beetles that starts at 50 increases by 65% each year.

Tags

CCSS.HSF.LE.A.2

Write the exponential function for :

  Your heart rate reaches 58 bpm and then increases by 20% each minute.

Tags

CCSS.HSF.LE.A.2

Write the exponential function for :


 An account with $25,000 decreases in value 9% each year.

Tags

CCSS.HSF.LE.A.2

Alex invests in a savings account that increases by  3.50% quarterly. What is the growth/decay factor?

• 1350%= 13.50 

• 96.5% = .965

• 103.50% = 1.035

• 10.35%= .1035

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CCSS.HSF-LE.A.1C

Is this exponential growth or decay?

• Growth, because of 7

• Growth because of 1.2

• Decay, because of 1.2

• Decay because of 7

Tags

CCSS.HSF-IF.C.8B

Is this exponential growth or decay?

• Growth, because of 7

• Decay, because of 1.2

• Growth because of 1.2

• Decay because of 7

Tags

CCSS.HSF-IF.C.8B

The table has an initial value of ​ (a)   and demonstrates exponential ​ (b)   at a factor of​ (c)   .

• 2

• growth

• 5

• -1

• decay

Tags

CCSS.HSF-LE.A.1A

Is this exponential growth or decay? What is the rate?

y = 7(1.2)^x

• Growth. Rate is 2%

• Decay. Rate is 20%

• Growth. Rate is 20%

• Decay. Rate is 2%

Tags

CCSS.HSF-IF.C.8B

Is this exponential growth or decay?

• Growth

• Decay

Tags

CCSS.HSF-IF.C.7E

Is the graph growth or decay?

• Growth

• Decay

Tags

CCSS.HSF-IF.C.7E