9709 P13 - Jun 2026 - Q6 - 7 marks
9060
For \(x\ne0\), \(f(x)=16/x^3+3x+5\).
(a) Find all stationary points on \(y=f(x)\). [4]
(b) For \(g(x)=f(x)+a\), it is given that \(g(-x)\equiv-g(x)\). Find \(a\). [3]
