Posted by sara on Monday, September 21, 2009 at 8:55pm.
Find an expression for the function whose graph is the bottom half of the parabola x + (y  9)2 = 0.
y=?
some help would be appreciated! thanks

math  Reiny, Monday, September 21, 2009 at 9:35pm
y = √x + 6, x ≤ 0
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