Show that the function `f: Z->Z` defined by `f(x)=x^2+x` for all `x in Z` , is a many-one function.

Show that the function f:Z rarr Z defined by f(x)=x^(2)+x for all x in Z, is a many-one function.

Show that the function f: ZvecZ defined by f(x)=x^2+x for all x in Z , is a many one function.

Show that the function f:Z rarr Z defined by f(x)=x^(2)+x for all x in Z, is a many one function.

If ZZ be the set of integers, prove that the function f: ZZ rarrZZ defined by f(x)=|x| , for all x in Z is a many -one function.

Show that the function f: Z->Z defined by f(x)=x^2 for all x in Z , is a function but not bijective function.

Find whether f: Z->Z given by f(x)=x^2+1 for all x in Z

Show f:R rarr R defined by f(x)= x^2 + x for all x in R is many one.

Show f:R rarr R " defined by " f(x)=x^(2)+x " for all " x in R is many-one.

Show f:R rarr R " defined by " f(x)=x^(2)+x " for all " x in R is many-one.

Show f:R rarr R " defined by " f(x)=x^(2)+x " for all " x in R is many-one.