Function Notation Worksheet Alternate Page 2
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1
2For #13-18, use the graph to find:
y
5
f(x)
( ) = __________
13.
( ) = __________
14.
x
-5
5
(
) = __________
15.
(
) = __________
16.
-5
when ( ) = 0
17. What is the value of
= __________
18. Does the graph represent a function? Explain why or why not.
19. Multiple Choice: Circle the best answer.
The games you can play at the Amusement Park average $5 per game and your ticket was $50. Your cost
for the day is $100. Write a function to represent the distance C remaining atfter you pay n games.
A. C = 50 – 5n
B. C = 5 – 50n
C. C = 50n + 5
D. C = 5n + 50
t
20. Swine flu is attacking Porkopolis. The function
determines how many people have swine
S
) (
t
9
4
where t = time in days and S = the number of people in thousands.
a. Find S(1).
b. What does S(1) mean?
c. Find t when S(t) = 32.
d. What does S(t) = 32 mean?
e. Graph the function. Make a table.
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