Let f: R → R be defined by f(x)={\{\table k-2 x, , \;\text " if "\; , x ≤-1 ; 2 x+3, , \;\text " if "\; , x>-1 }. If f has a local minimum at x=-1, then a possible value of k is

-1 }. If f has a local minimum at x=-1, then a possible value of k is" > -1 }. If f has a local minimum at x=-1, then a possible value of k is">

Test Index