Exponential Growth & Decay

Naomi's hair grows at a rate of 9% per month.

What is the growth factor (multiplier) in this hairy scenario?

• (1.90)

• (1.09)

• (0.91)

• (0.11)

Tags

CCSS.HSF-IF.C.8B

Click all GROWTH factors

• (109%)

• (93%)

• (103%)

• 98.5%

Tags

CCSS.HSF-IF.C.8B

Click ALL Growth Factors (please)!

• (1 - .03)

• (1 + .03)

• (1 + .21)

• (1 - .21)

Tags

CCSS.HSF-IF.C.8B

What part of

 $y=1.2\left(1.08\right)^5$   makes this a GROWTH equation?

• y

• 1.2

• 1.08

• 5

Tags

CCSS.HSF-IF.C.8B

Write an equation that models the following situation:

Samantha's hair was known to grow very rapidly. It began at a length of 6 in and grew at a rate of 14% a week.

• y=6(0.14)^x

• y=6(1 - 0.14)^x

• y=6(1 + 0.14)^x

• y=6(0.86)^x

Tags

CCSS.HSF.LE.A.2

• Exponential Growth

• Exponential Decay

• Linear (positive slope)

• Linear (negative slope)

Tags

CCSS.HSF-IF.C.8B

Classify the model as Exponential GROWTH or DECAY.
A=1200(.85)⁶

• Growth
• Decay

Tags

CCSS.HSF-IF.C.8B

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

• 300
• 1.16
• .16
• x

Tags

CCSS.HSF.LE.B.5

A 78 gram sample of Uranium loses half of its mass each year.  What is the exponential equation? 

Tags

CCSS.HSF.LE.A.2

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=5000(0.3)^x

Tags

CCSS.HSF.LE.A.2