Exp. Growth and Decay
Transformations of Exp. Functions
Solving Exp. Equations
Log Functions and Inverses
Modeling and Interpretation
100

The function that models an account that starts with $1,000 grows 5% yearly.

What is y = 1000(1.05)^t?

100

The y-intercept of f(x) = 3^x

What is (0,1)?

100

The solution to 2^x = 8

What is x = 3?
100

The logarithmic form of 5^3 = 125

What is log_5(125) = 3?
100

The function that models a bacteria culture starting at 100 and tripling every 2 hours. 

What is P(t) = 100(3)^(1/2)

200

The function that models an account that starts with $2,000 and grows 2% monthly.

What is y = 2000(1.002)^(12t)?

200

The transformation applied to 2^x to create the function g(x) = 2^x + 4

What is a vertical translation of 4 units up?

200

The solution to 5^(x+1) = 125

What is x = 2?

200

The solution to log_2(x) = 4

What is x = 16?

200

The faster grower as x -> infinity between 2^x and x^2

What is 2^x?

300

The function for a car's value that decreases 12% per year, starting at $18,000

What is V(t) = 18000(0.88)^t?

300

The transformation applied to 4^x to create the function f(x) = 16(4)^x

What is a vertical dilation/stretch by 16?

300
The solution to 3^(2x) = 81

What is x = 2?

300

The inverse function of f(x) = 2^x

What is f^-1(x) = log_2(x)?
300

The y-value of the function, log_2(x), when x = 8. 

What is y = 3?

400

The function that models an population doubling every 6 years, starting at 500.  

What is P(t) = 500(2)^(t/6)?

400

The transformation applied to 2^x to create the function h(x) = 5(2)^(x-3)

What is a horizontal translation of 3 units right and a vertical dilation/stretch by 5?

400

The solution to 7^(x-1) = 49

What is x = 3?

400

The approximate solution to ln(x) = 3

What is 20.09?

400

The horizontal asymptote of the function P(t) = 150(0.7)^t + 20

What is y = 20?

500

The number of years for $3,000 at 8% annual interest to exceed $6,000, rounded to the nearest year. 

What is 9 years?

500
The function created by vertically compressing by 1/2 and shifting down 3 of the original function, 5^x

What is 1/2(4)^x - 3?

500

The approximate solution to 10^(3x) = 400

What is x = 0.87?

500

The solution to log_3(2x-1) = 4

What is x = 41?

500

The annual percent growth rate of a population model, P(t) = 200(1.07)^t

What is 7%?

M
e
n
u