A second long-distance telephone service charges $0.09 per minute or fraction thereof for calls lasting 10 minutes or more and $0.18 per minute or fraction thereof for calls lasting less than 10 minutes.
(A) Write a piecewise definition of the charge G(x) for a long-distance call lasting x minutes.
(B) Graph G(x) for 0 (C)

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Find lim FCe) lim F(x), and lim FCr). whichever exist -20 →20