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oh ok to be fair I kinda already knew I was stupid

ye but also u can't use all of f(x) <= 1 anyway so u need to choose either x<-1 or -1<x<0 or 0<x<1 and looking at the actual equation given the -1<x<0 is the one where an inverse exists? am I horrendously wrong

I got 3 solutions for question 10 bcuz the domain was in between -1 and 0 and hence the sole were at x=-1, x=0 and x=somethin like -0.62 but then again, im not a nurd