HW Score: 6.25%, 0.25 of 4 E Homework: HW 12b: First Question 4, Instructor- created question points Derivative Test II O Points: 0 of 1 Save Find the intervals on which the continuous function, f(x), is increasing, the intervals on which f(x) is decreasing, and the local extrema if f'(x) =(2x + 7) e 2% Select the correct choice below and, if necessary, fill in the answer box to complete your choice. ants O A. The function is increasing on (Type your answer using interval notation. Type integers or simplified fractions. Use a comma to separate answers as needed.) ess O B. The function is never increasing Select the correct choice below and, if necessary, fill in the answer box to complete your choice. ess O A. The function is decreasing on ibrary (Type your answer using interval notation. Type integers or simplified fractions. Use a comma to separate answers as needed ) ions O B. The function is never decreasing Select the correct choice below and, if necessary, fill in the answer boxes to complete your choice. sources (Type exact answers.)