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1. [-/2 Points] DETAILS LARCALCET8 4.3.003. MY NOTES A Use the graph of f to find the largest open interval on which f is increasing, and the largest open interval on which f is decreasing. (Enter your answers using interval notation.) 10 8 6 4 2 X 8 10 (a) Find the largest open interval(s) on which fis increasing. (If two open intervals are equally large enter your answer as a comma separated list of intervals.) (b) Find the largest open interval(s) on which fis decreasing. (If two open intervals are equally large enter your answer as a comma-separated list of intervals.)