The graph below is the derivative of a function, \( g \), whose domain is the set of all real numbers and is continuous everywhere. Use the graph to answer the questions.
7. Determine the intervals where \( g \) is increasing.
8. Determine the intervals where \( g \) is decreasing.
9. Determine the \( x \) values for the relative extrema for \( g \).
11. Determine the intervals where g is concave down.
12. Determine the \( x \)-values for the point(s) of infiection.