Suppose the function / has a domain set of all real numbers. Given below is the graph of fo). f'(x) -4 -3 1 2 4. 6. Which of the following interval or union of intervals is the function fincreasing? A (- 00.-3)U (1,5) B (- 0.-1)U (3, + o) (-3.1)U (5.+ 00) D(-1.3)

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