(Solved): The graph of the derivative \( f^{\prime} \) of a function \( f \) is shown. (a) On what intervals i ...

The graph of the derivative \( f^{\prime} \) of a function \( f \) is shown. (a) On what intervals is \( f \) increasing? (Enter your answer using interval notation.) On what intervals is \( f \) decreasing? (Enter your answer using interval notation.) (b) At what values of \( x \) does \( f \) have a local maximum or local minimum? (Enter your answers as a comma-separated list.) \[ x= \]