b) A function g: Z → Z is defined by the rule g(m, n) = m + n Determine whether it is onto or not... c) Let X= {p, q, r, s, t}, Y= {1, 23} and Z={k, e} 1. Define one-to-one function and how many...

Extracted text: b) A function g: Z → Z is defined by the rule g(m, n) = m + n Determine whether it is onto or not... c) Let X= {p, q, r, s, t}, Y= {1, 23} and Z={k, e} 1. Define one-to-one function and how many one-to-one function are there from Y to X. 2. Define onto function and how many onto function are there from Y toZ.