EECS 203 Midterm: EECS 203 203Q2S16Ans
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Use the following key: not a function, a function which is neither onto nor one to one, a function which is onto but not one to one, a function which is one to one but not onto, a function which is both onto and one to one (x, the mapping f from (y) 2 = 2 f f x = y (x) f iv (x) f. , meaning x = y iii (y f (0. 25) f + 0: the mapping f from. B so a nonempty intersection means a b is missing at least one element of a ( b = a b a: a false . A b = b a always. trivial proof: a b) |a b| 2|a| false . |{1}| e) (a b c) (a b) true a b c a b a b f) (a. = u { = { / {