Quiz: Exponential Decay
1 x
1.) y     2
2 

Name: ___________________
2.)
y 2
x 2
3

asymptote:____________
domain:_______________
range:________________
growth or decay:_______
parent function: ________
translation: ____________
1 x 2
3.)    1
3 

asymptote:____________
domain:_______________
range:________________
growth or decay:_______
parent function: ________
translation: ____________
asymptote:____________
domain:_____________
range:________________
growth or decay:_______
parent function: _______
translation: ___________
4.) A business purchases a piece of equipment for $250,000. The value of
the equipment depreciates at a rate of 12% each year.
A.) Write an exponential decay model for the value of the equipment.
B.) Estimate the value of the equipment after 5 years.
Quiz: Exponential Decay
Name: ___________________
5.) Each year the local country club sponsors a tennis tournament. Play starts
with 512 participants During each round half of the players are
eliminated.
Rounds
Number
of players
left
0
512
1
256
2
128
3
64
4
32
1.) Use your graphing calculator to graph a scatter plot of Number of Players
Left vs. Rounds
2.) What type of model best suits the data.
3.) Use your graphing calculator to find a model for the data. Record your
model below.
4.) Use your model to estimate the number of players that will be left in the
tournament after 8 rounds.
5.) What is the estimated percent decrease of players per round.