Exponents and Growth and Decay

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

• -1200

• -.15

• 6

• -6

Tags

CCSS.HSF-IF.C.8B

James' 70 in. giant peach doubles in size every week. Write an expression that would represent how big the peach is after 5 weeks.

• 70(2)³⁵

• 70(2)⁵

• 2(70)⁵

• 5(70)²

Tags

CCSS.HSF.BF.A.2

What is the horizontal asymptote of the exponential function?

• y=-3

• x=-3

• y=1

• x=1

Tags

CCSS.HSF-IF.C.7E

Identify the domain of this exponential function?

• All real numbers

• All real number greater than or equal to 0

• All real numbers greater than 0

• All real numbers less than or equal to 1

Tags

CCSS.8.F.A.1

CCSS.HSF.IF.B.5

Which of the graphs below represents y = 6(2)^x?

• 
• 
• 
• 

Tags

CCSS.HSF-IF.C.7E

Find the decay factor from the given graph.

Tags

CCSS.HSF-IF.C.7E

If the decay rate is 20%, which of the following represent the decay factor?

• 0.2

• 0.8

• 1.2

• 1.8

Tags

CCSS.HSF-IF.C.8B

If the growth rate is 80%, what is the growth factor?

• 0.2

• 0.8

• 1.2

• 1.8

Tags

CCSS.HSF-IF.C.8B

A flea medicine breaks down at a rate of 20% per hour. This is the rate of decay of the medicine. The initial dose is 60 milligrams. Which of the following represent the equation the models the amount of flea medicine left in an animal?

Tags

CCSS.HSF.LE.A.2

The value of a car depreciates exponentially. Identify the decay factor is the car was worth $20,000 initially and worth $15,000 after 1 year.

• 1.33

• 0.75

• 0.66

• 0.25