Question: f is decreasing when -2 is increasing when x 1. f(x)>0 when -3 and x>2;f(x) <0 when -1 and x
f is decreasing when -2 is increasing when x<-2 and x>1. f(x)>0 when -3 and x>2;f(x)<0 when -1 and x<-3.
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