Let FX = the third power of X - 1 / 2x & # 178; - 2x + 5-m, when x ∈ [- 1,2], FX

Let FX = the third power of X - 1 / 2x & # 178; - 2x + 5-m, when x ∈ [- 1,2], FX

The above is my solution, you see. Hope you can adopt