Question

Which function in exercise 12 is onto?

Short answer

Only the function in part a) and d)

Step-by-step solution

Step: 1

1. \(f(n) = n - 1\)

2. \(f(n) = {n^2} + 1\)

3. \(f(n) = {n^3}\)

d.\(f(n) = \left\lceil {n/2} \right\rceil \)

Only the function in part a) and d)