# Math222

posted by Shyla

What is the domain of
y2 – 4 /
2y2 + y – 1

1. unowen

2y²+y-1=(2y-1)(y+1)
So:
(y+2)(y-2)/(2y-1)(y+1)
y cannot be 1/2 or -1
☺☺☺☺

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