The function fff is defined for x>0x > 0x>0 by f(x)=3x−10x+2f(x) = 3x - 10\sqrt{x} + 2f(x)=3x−10x+2
Solve the equation f(x)=10f(x) = 10f(x)=10.
Solve the equation f′′(x)=516f''(x) = \frac{5}{16}f′′(x)=165.
Practise Edexcel A Level Maths 9.9 Using Second Derivatives with exam-style questions for A Level Maths. 57 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.