a. Find the open interval(s) on which the function is increasing and decreasing. b. Identify the function's local and absolute extreme values, if any, saying where they occur. f(x)equalse Superscript 13 x Baseline plus e Superscript negative x Question content area bottom Part 1 a. On what open interval(s), if any, is the function increasing? Select the correct choice below and, if necessary, fill in the answer box(es) to complete your choice. A. The function f is increasing on the open interval(s) enter your response here. (Simplify your answer. Type your answer in interval notation. Type exact an answer. Use integers or fractions for any numbers in the expression. Use a comma to separate answers as needed.) B. The function is never increasing