Hello there! Can you help me with problems? Thanks! Functions f, g: ℝ --> ℝ such that a. f is one-to-one but not onto. b. g is onto but not one-to-one. c. h is neither one-to-one nor onto.

Q: a. f. Z → Z b. f. R → R c. f. Z+ → R f(x) = -4 [2x+4 x<3 x+7 x ≥3 f(x) = { f(x)= x + 1.5

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Q: (3) Let S be a set. Suppose that f : S → S is a function. If f is one to one show that f is onto.

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