Please show steps!

A floor refinishing company charges $5.25 per square foot to strip and refinish a tile floor for up to 800 square feet. There is an additional charge of $480 for toxic waste disposal for any job that includes more than 200 square feet of tile.

a) Express the cost, y, of refinishing a floor as function of the number of square feet, x, to be refinished.

b) Sketch the function.

c) What are the domain and range of the function.

Guest Feb 8, 2018