Below is the graph of the derivative, f'(x), of the function f(x) whose domain is 0

Question

Below is the graph of the derivative, f'(x), of the function f(x) whose domain is 0<x<9. Answer the following questions about the original function, f(x), based on the graph of its derivative below.

(a) f(x) is increasing on the open interval(s) : ?
(b) f(x) is decreasing on the open interval(s) : ? 
(c)  f(x) has local maxima at x=? 
(d)  f(x) has local minima at  x=?
(e)  f(x) is concave up on the open interval(s) : ? 
(f)   f(x) is concave down on the open interval(s) : ?
(g)  f(x) has inflection points at x=?

anonymous · Answer

Please see the graph here

anonymous · Answer

Use the first derivative test to find the intervals where the graph is increasing or decreasing

anonymous · Answer

and second derivative test for intervals of concavity

anonymous · Answer

Have no idea how to do it

anonymous · Answer

can you help me to do it?

anonymous · Answer

Note: For parts a,b,e,f use interval notation, i.e. '(0,1)U(4,5)'. 
For parts c,d,g enter your values as a list separated by commas.