10. (14 points) Determine whether each of the following functions are (i) one-to-one and (ii) onto. (c) f:ZZ where f(x)=x25x+5. (d) g:NN where g(n)=n+1 (e) h:NN where h(n)=2n (f) i: ZZZ where i(m,n)=2n4m (g) j:RR where j(x)=x