Given that f(x)=x2−40f(x) = x^2 - 40f(x)=x2−40 and g(x)=x+2g(x) = x + 2g(x)=x+2
Work out an expression for g−1(x)g^{-1}(x)g−1(x)
Work out an expression for f−1(x)f^{-1}(x)f−1(x)
Solve f−1(x)=g−1(x)f^{-1}(x) = g^{-1}(x)f−1(x)=g−1(x)
Practise Eduqas GCSE Maths Inverse and Composite Functions with exam-style questions for Foundation and Higher tier. 36 questions, matched to the Eduqas GCSE Maths (C300QS) specification and written in Component 1 and Component 2 style. Every question includes a full worked solution and mark scheme, so you can see where marks are awarded rather than just whether you got the answer right.
