Module 8 ST Review

Which graph shows exponential decay?

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Which graph shows exponential growth?

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Which of the following situations are exponential? (Select all that apply)

• A bank account balance decreases by 10% each year.

• You deposit $20 a week into a bank account.

• A population of elk doubles each year.

• The population of a city decreases by 2,000 every decade.

True or False: This is an exponential function.

• True

• False

Tags

CCSS.HSF.LE.A.1

CCSS.HSF.LE.A.3

Please select the one situation that is not exponential.

• A colony of ants is increasing by 200% each year.

• The snow depth at Big Sky is decreasing by 1/3 each week.

• You bench press max is increasing by 5% each week.

• A river flows at 200 cubic feet per second.

Which exponential function matches the table?

Write an exponential function that goes through the points (2, 8) and (3, 16).

(Hint: Build a table)

Which exponential function matches the table?

Write an exponential function that goes through the points (2, 6) and (3, 3).

(Hint: Build a table)

Write an exponential function to model the following:

A bank account is worth $1,500, and has been increasing by 20% each week.