Key Features Expon. f(x)'s
Exponential Growth Or Decay
Random Trivia
Compound Interest
Linear Functions
100
If, f(x)=abx Then what is the initial amount?
a=initial amount
100
If f(x)=a(1+r)x
Then what is the initial amount and growth rate?
initial amount=a
growth rate = r
100
Where does Spongebob Squarepants live?
Bikini Bottom
100
In the compound interest formula what does the A and the r represent?
A=P(1+r/n)nt
A= total amount
r=interest rate
100
Are all relations are functions? True or False
False
All functions are relations, not all relations are functions.
Function: every input value can have one and only one output value.
Vertical Line Test
200
What is the initial amount for the function f(x)=2(3)x
initial amount=2
200
In exponential functions when 0<b<1 this will cause an exponential growth or decay?
Exponential decay
200
Who are the 4 Teenage Mutant Ninja Turtles?
Leonardo, Donatello, Raphael and Michelangelo
200
How do you turn 7% into a decimal?
What is the given decimal of 7%?
7/100= .07
or you move the decimal two places to the left of 7 to get .07.
200
Which of following ordered pairs is considered a function?
A. (1,2), (2,2), (3,2), (4,2)
B. (1,3), (1,4), (1,5), (1,6)
C. (0,1), (1,2), (2,4), (1,5)
A
300
What is the y-int of the function below? 
y-intercept=1
300
f(x)=a(1.07)x
Does this functions represent exponential growth or decay?
Exponential Growth
300
Who proclaimed himself the “King of Pop”
Michael Jackson
300
Ms. Wiggins deposited $1,000 in a CD at a 7% interest compounded quarterly. How much will her CD be worth in 5 years?
Write the expression for this situation. 7% is the nominal rate.
1000((1 + .07/4)4)5
300
Which of the following options are functions? (2 correct answers) 
Options 1 & 3
400
On what domain is the function y=2(3)x increasing?
All Real numbers
400
Does the graph represent exponential growth or decay?
Exponential Growth
400
Who was the first African American in Major League Baseball
Jackie Robinson
400
$950 at 6.5% for 8 years compounded annually. What is the exponential model (equation, not answer) that represents exponential growth?
A=P(1+r/n)nt
A=950(1+.065/1)1(8)
400
Is the function increasing or decreasing? 
Decreasing
500
Which colored graph is linear and which one is exponential? 
Red=linear
Blue=exponential
500
Annual sales of a fast food restaurant are $530,000 and increasing at a rate of 5%. What will the annual sales be in 6 years?
A=P(1+r)n
530000(1.05)6
=$710,250 or =$710,251
500
What is Obama's last name?
Obama.......
500
$1500 at 5% interest rate compounded monthly. What will be the balance after 2 years?
=$1,657
500
Identify the slope and y-intercept of the function below:
f(x)=3x - 8
slope=3
y-intercept=-8