A) Determine the inverse of the function f : x → 5x, xe N. b) State the range of the function f : x + x², x € R.
c) if f : x + x +1, find f2.
Sketch the graph of y = x (1 – 3x) (x + 4)

3questions show how you solved the problem 1. subtract & simplify (–y2 – 4y – 8) – (–4y2 – 6y + 3) 2.multiply and simplify 2x2y3z2 · 4xy4x2 3.multiply and simplify (x – 4) (x2 – 5x – 6)