Re: Some Questions

Posted by E A Ibrahim on Apr 18, 2014; 3:55pm
URL: http://discussion-forum.276.s1.nabble.com/Some-Questions-tp7587363p7587374.html

For the 1st answer is (D) 800.
AC= y^2-4y+8
AC'= 2y-4=0
y=2
P=AC
P=2^2-4*2+8=4
Substituting this in the equation Y=2000-100P
Y=1600
Y=ny
1600=2n
n=800