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Let f(x)=x+|x| and g be defined by the rule "g(x) is the slope of the graph pf f at x".
Write f as piecewise defined function.
Write f as piecewise defined function.
Minor point: don't forget x = 0 in your definition.TD said:Where x > 0, you get f(x) = 2x.
Where x < 0, you get f(x) = 0.
Does that help?