Exponential Versus Linear

There are 20,000 owls in the wild. Every decade, the number of owls is halved. Write an equation to model this situation

• y=20000-(1/2)x

• y=20000+(1/2)x

• y=20000(0.5)^x

• y=20000(50)^x

Which function describes the graph?

• Linear

• Exponential

• neither

Which equation describes the story below?
You have $5 and triple your money every day. 

• y=5(3)^x

• y=5^x

• y=5(3x)

• y=15^x

A(n) _________________ function will MULTIPLY the same number each time.

• Linear

• Quadratic

• Exponential

• All of the above

A tennis tournament begins with 128 players. At the end of round one, there will be 64 players. There are 32 players at the end of round 2 and 16 players remaining after round 3. This situation is best modeled by a(n) _________________ function.

• linear

• quadratic

• exponential

• none of the above

What functions describes this graph?

• Linear

• Exponential

• neither

Which function describes the table?

• linear

• exponential

• neither

Is the pictured graph growth, decay, or linear or none?  

• Exponential Growth

• Exponential Decay

• Linear

• None

Is this exponential growth or decay?

• Growth

• Decay

Is the function exponential or linear?
A=1200(.85)⁶

• Linear

• Exponential