Asked by Shyla

What is the domain of
y2 – 4 /
2y2 + y – 1
Answered by unowen
2y²+y-1=(2y-1)(y+1)
So:
(y+2)(y-2)/(2y-1)(y+1)
y cannot be 1/2 or -1
☺☺☺☺