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Can anyone answer this math question

Anyone

http://postimg.org/image/ycqcokm8x/

[QUOTE="wdkmwd;63486573"]Anyonehttp://postimg.org/image/ycqcokm8x/[/QUOTE]a)sub 0 into the second equationssub -1 into second equationsub 1 into first equationsub 5/2 in first equation (i.e. just look at the conditions)b) since its f^-1(0) find the inverse of the second equation then sub 0 c) not sure tbh lol but I think you sub f(x) = X + B into g(x) = 1 - x + x^2, this is identical to 16x^2 - 12x + 3, then solveif I'm wrong, please don't have a go at me as I did my Alevels a couple of years ago now and my maths knowledge is not as up to scratch as it used to be.