Posted by Lynnette on Thursday, September 23, 2010 at 5:54pm.
Find the maximum product of two numbers whose sum euqals 124. Let's call the numbers "x" and "y". Also, what are those two numbers?

PreCalc  bobpursley, Thursday, September 23, 2010 at 6:00pm
x+y=124 or x=124y dx=dy
A= xy = (124y)y
dA/dy=0=1242y
y=62 then solve for x

PreCalc  Lynnette, Thursday, September 23, 2010 at 6:06pm
whew, great! that's what I got, too :)
Thank You! I have one more, if you're up for it
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