
6. The floor and ceiling functions are as follows The floor function: if x E R,then lxl is the largest integer s x. (17.987891 7) The ceiling function: if x E R, then [xI is the smallest integer x. (17.000 11-8) The foor and ceiig fforom the real mumbers ino the inege Is the floor function injective? Show why or why not. a. b. Is the floor function surjective? Show why or why
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