Which one of the following statements can be true if function f has the surjection property but can never be true if the function f has the injection property? a. The function f can have the same output for more than one input.
b. If two elements in the domain of function f are equal, then their images in the co-domain of f are equal.
c. The function f can have the same input for more than one output.
d. If two elements in the co-domain of the function f are equal, then their preimages in the domain of f are also equal.

:i need some real : a store sells shirts to the public at one pricing scale and wholesale at another pricing scale. the tables below describe the cost, y, of x shirts. (after tables) how do the slopes of the lines created by each table compare? the slope of the public table is 3/4 of the slope of the wholesale table. the slope of the wholesale table is 3/4 of the slope of the public table. the slope of the public table is 12 times greater than the slope of the wholesale table. the slope of the wholesale table is 12 times greater than the slope of the public table.