A local newspaper charges $18 for the first three lines of a want ad,and then $6.50 for each additional line.Express the cost of an x-line ad,c(x),as a piecewise function.

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The Answer of A local newspaper charges $18 for the first three lines of a want ad,and then $6.50 for each additional line.Express the cost of an x-line ad,c(x),as a piecewise function.

A Local Newspaper Charges $18 for the First Three Lines