Mathematics

Problem

Let

f(x)= \begin{cases} |x|, & x\le \lambda,\\ x^{2}, & x>\lambda \end{cases}

where

\lambda

is a real parameter. For which value(s) of

\lambda

f

continuous at

x=\lambda

? a)

\{-1,1\}

\{0,1\}

\{-1,0,1\}

\{-1,0\}