The problem has fooled you.
What if you had been given this problem statement?
What is the maximum VALUE of f(x), given f(x) = 8x-9x^2
Could you solve that?
http://www.mathhelpforum.com/math-he...84-slopes.html <-----Check out this thread.
This is a take home test isn't it? Notice the "banned" label beneath Shinjiro's name? Be careful what you ask us.