Question

Sketch the graph of
...... , x is an element of real number

Answer 1

@hartnn

Answer 2

http://www.wolframalpha.com/input/?i=x%5E2e%5E%28-x%29
This is what it would look like. To do this sort of problem, you want to plug in stuff like:
\(x=-2, x=-1, x=0, x=1, x=2\)

Answer 3

Then get the \(y\) result. That will give you points to plot. Then you just connect the dots in a way that seems to fit smoothly.

Answer 4

But it looks like this... based on the answer from my book