The function y = A(x)
represents the attendance at a high school x weeks
after a flu outbreak. The graph of the function
is shown.

a. What happens to the school's attendance after the
flu outbreak?

b. Estimate A(13) and explain its meaning.


c. Use the graph to estimate the solution(s) of the
equation A(x) = 400. Explain the meaning of
the solution(s).

d. What was the least attendance? When did
that occur?

e. How many students do you think are enrolled at
this high school? Explain your reasoning.