Question

Let $f:R\rightarrow R$ be defined by $f(x) = \begin{cases} k-2x,x\le-1\\\ 2x+3,x\gt-1 \end{cases}$. If f(x) has a local minimum at x=- 1, then a possible value of k is

• A. 0
• B. $-\frac{1}{2}$
• C. -1
• D. 1

Answer 1

Answer: (C)

-1

Answer 2

The correct option is (C): -1