> 
> $$f(x) = 5 + 6x − 3x^2,\ x \in [−5, 3)$$
> 
> 
> 

Sketch the graph of each of the functions below and state the domain and the range of each function.

I found the $y$ intercept which is $5$. But the $x$ intercepts I can't seem to work out. Also how would I find the turning point, domain and range? Any advice/help/working out.

Thank you.