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Name: Date: Period:
Practice Worksheet:
Exponential Functions
Match each function with its graph.
1. 2. 3.
4. 5. 6.
A. B. C.
D. E. F.
Graph each function. Label two points.
7. f(x) = 2 x + 2
Domain: Range:
Parent function and transformations:
8. f(x) = 3 x + 1
Domain: Range:
Parent function and transformations:
9. f(x) = 2 x 2
1
Domain: Range:
Parent function and transformations:
10. f(x) = 2 x + 2
3
Domain: Range:
Parent function and transformations:
11. f(x) = (3 x + 1
) + 2
Domain: Range:
Parent function and transformations:
12.
Domain: Range:
Parent function and transformations:
13.
Domain: Range:
Parent function and transformations:
3 2 1
) (
x
x f
1 4 1
3 ) ( 2
x
x f
14. You deposit $5000 in an account that earns 3% annual interest. Find the balance after
ten years if the interest is compounded with the given frequency.
a) annually
b) quarterly
c) monthly
d) continuously
15. From 1990 to 2000, the population of California can be modeled by
P = 29,816,591(1.0128) t where t i s the number of years since 1990. Estimate
the population in 2007.
16. You buy a new car for $22,500. The value of the car decreases by 25% each year.
Write an exponential decay model giving the car's value V (in dollars) after t
years.
What is the value of the car after three years?