Application of Decay Growth Functions

Suppose a culture of bacteria begins with 5000 cells and dies by 30% each year. Write an equation that represents this situation.

• y=5000(0.7)^x

• y=30(5000)^x

• y=5000(1.3)^x

• y=5000x^x

Tags

CCSS.HSF.LE.A.2

Is this exponential growth or decay?

• Growth

• Decay

• Linear

Tags

CCSS.HSF-IF.C.7E

What does the a in y=a(1+r)^x  represent?

• Time

• Rate

• Slope

• Initial Amount

Tags

CCSS.HSF.LE.B.5

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

What is the decay rate in the following model?

• 1200

• .15

• .85

• 6

Tags

CCSS.HSF-LE.A.1C

What is the decay factor in the following model?
A=1200(.85)⁶

• 1200

• -.15

• .85

• A

Tags

CCSS.HSF-IF.C.8B

Is this exponential growth or decay?

• Growth

• Decay

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

• 300

• 1.16

• .16

• x

Tags

CCSS.HSF-IF.C.8B

Is y = 5(1.04)^x growth or decay?

• Growth

• Decay

Tags

CCSS.HSF-IF.C.8B

Is y = 4(.20)^x growth or decay?

• Growth

• Decay

Tags

CCSS.HSF-IF.C.8B