danip Posted November 3, 2014 Report Share Posted November 3, 2014 I'm having a total brain freeze. Can anyone give me the answer (including steps) for the following? f(x)=x^-1, g(x)=3-x (fog)(x+1) I know the answer is 3-4x+x^, but I cannot work out how to get there. TIA. Reply Link to post Share on other sites More sharing options...
Guest Posted November 3, 2014 Report Share Posted November 3, 2014 (3-x)^2 -1(9-6x+x^2)-18-6x+x^28-6(x+1)+(x+1)^28-6x-6+x^2+2x+13-4x+x^2 Reply Link to post Share on other sites More sharing options...
danip Posted November 6, 2014 Author Report Share Posted November 6, 2014 thank you so much. I wasn't foiling. what an idiot Reply Link to post Share on other sites More sharing options...
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