Exponential Growth/Decay
Finish the Lyric/Guess the Singer
Expressions
Guess the celebrity
Exponential functions/word problems
100
What is the initial amount and growth factor for the function f(x)=2(3)x
initial amount=2
growth factor= 3
100
Who sings the song "Break From Toronto"?
PARTYNEXTDOOR
100
Which of these is an expression?
A. 6 + 8 = 14
B. 0 - 16 = -16
C. 4 + 9 - 7
D. 5x - 7y = 15
C. expressions do not have equal signs
100
This singer has an album called "Starboy" and his real name is Abel.
The Weeknd
100
Does the graph represent exponential growth or decay?
Exponential Growth
200
Is this exponential growth or decay?
What is the percent growth/decay rate?
y=5(1.3)^x
Exponential Growth
30%
200
Finish the lyric to Ella Mai's song "Boo'd Up"
Ooh, no I'll never get over you until _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _
I find something new
200
You have $150 in a savings account. Each month, you
put $50 from your paycheck into the account.
Write an expression that represents how much money you have in the account based on the number of months that have passed. Choose and define your variable.
Students can choose m, or any other letter, to represent the number of months. Sample response:
m represents the number of months.
150 + 50m
OR
50m + 150
200
This actor has been in many movies including the Creed trilogy and Black Panther
Michael B. Jordan
200
How can we write the exponential function for this situation?
f(x)=12,000(1.06)^x
300
f(x)=7(1.07)x
Does this function represent exponential growth or decay? What's the percent growth/decay RATE?
Exponential Growth.
Rate: 0.07 or 7%.
300
What two singers are credited for the song "Laugh Now Cry Later" ?
Drake and Lil Durk
300
Two waitresses decide to combine their tips
and split them evenly. Vera makes x dollars and
Evie makes y dollars. Write an expression to
represent how much money in tips each waitress
will get.
(x+y)/2
300
This Samoan ex-wrestler turned actor has starred in many action movies
Dwayne "The Rock" Johnson
300
2243
400
Is this exponential growth or decay?
What is the percent growth/decay rate?
y=1(0.01)^x
Exponential Decay
99%
400
Finish the Rylo Rodriguez lyric from "Thang For You"
Wonder where you been, _ _ _ _ _ _ '_ _ _ _ _ _ _ _ _ _
"Who you've been with"
400
Carolyn makes t batches of 12 cookies. Brock makes s batches of 6 cookies.
Write an expression to represent how many cookies they baked all together.
12t + 6s
400
This popular British Boy Band was formed on the show, X-Factor.
One Direction
400
16,941 people
500
Write the equation in the following table:
(hint, simply plug in the initial value and growth factor)
y= 5(2)x
500
Finish the lyric from Lil Uzi Vert's song "The Way Life Goes"
I know you're sad and tired
You've got nothing left to give
You'll find another life to live
_ _ _ _ _ _ _ _ _ _ _ _'_ _ _ _ _ _ _ _ _ _ _
I know that you'll get over it
500
A taxi company charges a flat fee (one-time
payment) of $4, and an additional $1.50 per mile.
a) Which expression represents the total cost of
the taxi ride, in dollars, after n miles?
A. 1.5n – 4
B. 1.5n + 4
C. 4n – 1.5
D. 4n + 1.5
B. 1.5n + 4
500
This singer starred in a Disney channel show and has a "unique" beauty brand?
Selena Gomez
500
Is the function exponential growth or decay?
Write the equation to represent the graph. 
Decay
y = 2400 (0.5x)