Exponential Decay

A population of fish starts at 8,000 and decreases by 6% per year. What is the population of fish after 10 years?

• 14327
• 4309
• 839
• 7680

Tags

CCSS.HSF.BF.A.1

CCSS.HSF.LE.A.1

CCSS.HSF.LE.A.2

CCSS.HSF.LE.B.5

James has a 70 inch giant peach. It doubles in size every week. Write an expression that would represent how big the peach is after x weeks.

• y = 2 (10)

• y = 70 (2)

Tags

CCSS.HSA.SSE.A.1

CCSS.HSF.BF.A.1

CCSS.HSF.LE.A.1

CCSS.HSF.LE.A.2

Which of the following functions represents exponential DECAY? (Select ALL that apply)

• f(x) = 7⋅(2/3)^x

• f(x) = 7⋅(3/2)^x

• f(x)= (1/2)⋅(3)^x

• f(x)= (2)⋅(.33)^x

Tags

CCSS.HSF.LE.A.1

CCSS.HSF.LE.B.5

Which equation matches the table?

• y = 3x + 9
• y = x + 9 
• y = x + 3
• y = 12x - 3

Tags

CCSS.HSA.CED.A.2

CCSS.HSF.IF.B.4

A town with a population of 5,000 grows 3% per year. Find the population at the end of 10 years.

• 9,689

• 6,719

• 52,428

• 5,150

Tags

CCSS.HSA.CED.A.1

CCSS.HSF.BF.A.1

CCSS.HSF.LE.A.1

CCSS.HSF.LE.A.2

CCSS.HSF.LE.B.5

A population of ants quadruples every day. Initially, there are 10 ants.

• y = 10 (2) * 4

Tags

CCSS.HSF.BF.A.1

CCSS.HSF.LE.A.1

CCSS.HSF.LE.A.2

Is the equation Exponential Growth, Exponential Decay or Linear?

• Exponential Growth

• Exponential Decay

• Linear

Tags

CCSS.HSF.LE.A.1

CCSS.HSF.LE.A.3

Does this graph represent Exponential Growth, Decay or Neither?

• Growth

• Decay

• Neither

Tags

CCSS.HSF.IF.B.4

CCSS.HSF.LE.A.1

CCSS.HSF.LE.A.3

What is the equation of this table?

• y = 3^x(4)

• y = 4^x(3)

• y = 3x + 4

• y = 4x + 3

Tags

CCSS.HSA.CED.A.2

CCSS.HSF.BF.A.1

CCSS.HSF.LE.A.1

CCSS.HSF.LE.A.2

Is the equation Exponential Growth, Exponential Decay or Linear?

• Exponential Growth

• Exponential Decay

• Linear

Tags

CCSS.HSF.LE.A.1

CCSS.HSF.LE.A.3