The function f f\,f is defined by
f(x)=3+ln(5x−4),x∈R,x>0.8 f(x) = 3 + \ln(5x - 4), \quad x \in \mathbb{R}, x > 0.8 f(x)=3+ln(5x−4),x∈R,x>0.8Find the exact value of ff(1)ff(1)ff(1)
Find an expression for f−1(x)f^{-1}(x)f−1(x)
Practise Edexcel A Level Maths 2.4 Inverse Functions with exam-style questions for A Level Maths. 41 questions, matched to the Edexcel A Level Maths (9MA0) specification and written in Paper 1, Paper 2 and Paper 3 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.
