Question

Sketch the graph of f(x)=x^3-3x+3

Answer 1

construction a table of values, plot those points and join them with a smooth line.
I would take about 7 or 8 ordered pairs
e.g.
(1,3) , (-1, 3), (2, 8) (1.5 , 1.875) etc

compare your result with
Wolfram
http://www.wolframalpha.com/input/?i=plot+x%5E3-3x%2B3