1 votes 1 votes If $\Delta f(x)= f(x+h)-f(x)$, then a constant $k,\Delta k$ $1$ $0$ $f(k)-f(0)$ $f(x+k)-f(x)$ Set Theory & Algebra nielit2016mar-scientistb discrete-mathematics set-theory&algebra functions + – admin asked Mar 31, 2020 recategorized Oct 23, 2020 by Krithiga2101 admin 447 views answer comment Share Follow See all 0 reply Please log in or register to add a comment.