If x and y are integers such that (x+1)^2 is less than or equal to 9 and (y-1)^2 is less than 64, what is the sum of the maximum possible value of xy and the minimum possible value of xy?  Options.
A) -16
B) -8
C) 0
D) 14
E) 16
(x+1)^2 &lt;= 9   x &lt;= 2   x &gt;= -4   (y-1)^2 &lt; 64   y &lt; 9   y &gt; -7   Max possible value of xy is -4 × -6 = 24   minimum possible value of xy is -4 × 8 = -32   -32 + 24 = -8   Answer : -8
<result>B</result>
If x and y are integers such that (x+1)^2 is less than or equal to 9 and (y-1)^2 is less than 64, what is the sum of the maximum possible value of xy and the minimum possible value of xy?