Question: For each function in exercise 12 (section 2.3), determine whether the function is onto. Prove your answers. 12. Determine whether each of these functions from

For each function in exercise 12 (section 2.3), determine whether the

For each function in exercise 12 (section 2.3), determine whether the function is onto. Prove your answers.

function is onto. Prove your answers. 12. Determine whether each of these

12. Determine whether each of these functions from Z to Z is one-to-one. a) f (n) = n- 1 b ) f ( n ) = n+ 1 c) f (n ) = n3 d) f (n) = [n/2]

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