Exponential Functions and Graphs

y=3(2)^x what does it multiply by each time?

• 3

• 2

• 0

• x

y=5(4)^x what is the initial value when x=0?

• 2

• 4

• 5

• x

What would the value be at t=2?

y=700(1.05)^t

• 771.75

• 711.15

• 777.55

• 701.51

You are given a penny. On day one it is tripled, along with every day after that. Write the equation for this scenario.

• y=0.01(3)^x

• y=0.01(x)³

• y=0.01(2)³

• y=0.01x+3

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

• Exponential Growth

• Exponential Decay

• Linear

• None

Does the graph represent an exponential growth or an exponential decay function?

• Exponential Growth

• Exponential Decay

What does the y-intercept of the graph represent?

• The amount of grams the material is gaining.

• The amount of grams the material is losing.

• The amount of grams remaining after so many years.

• The initial amount of grams.

Which function models this table?

Which represents exponential decay?

• A

• B

• C

• D

What kind of shift happens with this function?

• 4 points up

• 4 points to the left

• 4 points to the right

• 4 points down