SOLUTION: y= sqrt(x+4)/x^2-2x-3 solve for x

Question 668788: y= sqrt(x+4)/x^2-2x-3 solve for x
Answer by ReadingBoosters(3246) (Show Source): You can put this solution on YOUR website!
y =
...

Undefined where the denominatore = 0
(x-3)(x+1) = 0
x = 3
x = -1
...
x intercepts at = 0
0 =

0 = x+4
x = -4
...
x intercept at (-4,0)
domain (-, -1) U (-1, 3) U (3, )
.....................
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