less than question 16 of 20 a find the open intervals on which the fun

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< Question 16 of 20
a. Find the open intervals on which the function shown in the graph is increasing and decreasing.
b. Identify the function's local and absolute extreme values, if any, saying where they occur.
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a. On what open interval(s), if any, is the function increasing? Select the correct choice below and fill in any answer boxes within your choice.
This test: 20 point(s) possible
This question: 1 point(s) possible
(Type your answer in interval notation. Use integers or fractions for any numbers in the expression. Use a comma to separate answers as needed.)
B. The function is never increasing.
On what open interval(s), if any, is the function decreasing? Select the correct choice below and fill in any answer boxes within your choice.
(Type your answer in interval notation. Use integers or fractions for any numbers in the expression. Use a comma to separate answers as needed.)
OB. The function is never decreasing.
b. Find each local maxima, if there are any. Select the correct choice below and fill in any answer boxes within your choice.
O A. The function has a local maximum value at two values of x. In increasing order of x-value, the maximum values are
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