Exponential Function Patterns

What is the decay rate in the following model?

• 1200

• .15

• .85

• 6

Which of the following functions shows an initial amount of $15 and an increase of 35% each year?

• y = 15(35)^x

• y = 15(1.35)^x

• y = 15(0.35)^x

• y = 35(1.15)^x

What pattern do you see in this table?

• The number of circles increases by 2 from one stage to the next

• The number of circles doubles from one stage to the next

• The number of circles increases by 2 then by 4 for the rest of the stages

• There is no pattern

Which one is an exponential function?

• A

• B

• C

• B and C

• None of them.

Which chart represents an exponential function? (Hint: pay close attention to the y-rows)

• A

• B

• Neither.

Observe the patterns on this table, what does Jada and Noah's stage 5 look like? (Hint: more than one answer!)

Which function represents the table of values?

Which rule should I use to simplify?

• Power Rule

• Multiplication Rule

• Quotient Rule

• None of these.

What is the y-intercept of this exponential function?

• 2

• 3

• 4

• 5