Posted by Anonymous on Monday, July 11, 2011 at 11:01am.
From 1993 to 2003 the cumulative number
N of AIDS cases in thousands can be approximated by
, where corresponds to
the year 1993.
N= 2x^2+ 76x + 430 x=0

algebra  Henry, Tuesday, July 12, 2011 at 9:15pm
N = 2x^2 + 76x + 430 = 0.
Solve, using the Quad. Formula and get:
x = 43, and 5.
Select + value of x:
x = 43,000 cases.