Define Floor: R → Z by the formula Floor for all real numbers x.

a. Is Floor one-to-one? Prove or give a counterexample.

b. Is Floor onto? Prove or give a counterexample.

ACIS 2116 Equations to Know for Exam #1: Cost of goods sold (retailer) = beginning inventory + purchases – ending inventory Cost of goods sold (manufacturer): o beginning raw materials inventory + purchases – ending raw materials inventory = amount that goes to WIP o Beginning WIP + requisitioned raw materials (amount that goes...