Algebra B Exponential Decay

In an exponential function, what does the 'a' represent? 

• SLOPE

• RATE OF CHANGE

• Y-INTERCEPT

• COMMON RATIO

Tags

CCSS.HSF.LE.B.5

What is a, the starting term, for the function: f(x) = 800(0.85)^x?

• 800

• 0.85

• 0.15

• x

Tags

CCSS.HSF.LE.B.5

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

• Growth

• Decay

Tags

CCSS.HSF-IF.C.8B

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

• -1200

• -.15

• 6

• -6

Tags

CCSS.HSF-LE.A.1C

Select ALL the functions that show an exponential decay.

Tags

CCSS.HSF-IF.C.8B

Choose the correct graph for the situation on problem #5

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Choose the correct graph for the situation in problem #6.

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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

Tags

CCSS.HSF-IF.C.7E

In an exponential function, what does the 'a' represent?

• SLOPE

• RATE OF CHANGE

• initial amount

• COMMON RATIO

Tags

CCSS.HSF.LE.B.5