-20 -15 -10 --5 y-axis 204 -15- 10- -5 0 -5- -10- -15- 5 10 15 e. Find the intervals on which f is increasing. (Enter your answer using interval notation.) f. Find the intervals on which f is decreasing. (Enter your answer using interval notation.) g. Find the intervals for which f(x) > 0. (Enter your answer using interval notation.) h. Describe its end behavior. i. Find the domain. (Enter your answer using interval notation.) x-axis