Exponential Functions
Which of the following is an exponential function?
A)y=mx+b
B) b/2a
C)change of y/change of x
D) y=ab^x
D)y=ab^x
True or False: The a in y=ab^x is the initial value.
True
What is the cube root of 8?
2
What is the fastest land animal?
The cheetah
If you have a starting value of 5 and it doubles what is the equation?
A) 3(5)^x
B)5(2)^x
C)2(5)^x
D)5(3)^x
B)5(2)^x
What is the line called that an exponential function will never touch?
What is the fourth root of 81?
3
Who was the first president of the United States?
George Washington
If Sophia buys a motorcycle for $600 and the price depreciates by 50%, what will the formula look like?
A)600(.5)^t
B)600(1.5)^t
C)600(0.05)^t
A)600(.5)^t
If the percent is decreasing, what kind of exponential function will result?
Decay
Write 53/4 in radical form.
4sqrt(5)3
What color is the fish from The Cat in the Hat?
Pink
What is the domain of any exponential function?
Using the equation: y = 3(5)x + 2, what is the y intercept?
(0,5)
Write 42/3 in radical form.
3sqrt(4)^2
In Home Alone, where is the family going on vacation?
Paris
What line helps when determining the range of an exponential function?
The asymptote.
What does the t represent in y=a(1+r)^t
TIME
What is the cube root of 125, squared?
25
Germany