For #13-18, use the graph to find: 1)
13. S(2) =
14. S(0) =
15. f(-4) =
16. f(-5) =
17. What is the value of x when f(x) = 0
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
20. Swine flu is attacking Porkopolis. The function S(t) = 91-4 determines how many people have swine
where 1 = 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(I) = 32
d. What does S(O) = 32 mean?
e. Graph the function. Make a table.