A floor refinishing company charges $1.91 per square foot to strip and refinish a tile floor for up to 1000 square feet. There is an additional charge of $250 for toxic waste disposal for any job which includes more than 150 square feet of tile.
(a) Find an equation for the amount C (in dollars) they will charge to refinish a floor which is x square feet when x≤150.
C(x)=
(b) Find an equation for the amount C (in dollars) they will charge to refinish a floor which is x square feet when x>150.
C(x)=
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