Question 792874
Two numbers have a difference of 9 and their product in a minimum. 
Determine the numbers.
-------------------------
1st: x
2nd: x-9
------------
Equation:
P(x) = x(x+9) = x^2 - 9x
-----
Max occurs when x = -b/(2a) = 9/(2*1) = 4.5
x-9 = 4.5-9 = -4.5
-------------------------
Cheers,
Stan H.
=========================
----------------