Determine the value of kkk that makes f(x)={kx2x≤22x+kx>2f(x) = \begin{cases} kx^2 & x \leq 2 \\ 2x + k & x > 2 \end{cases}f(x)={kx22x+kx≤2x>2 continuous at x=2x=2x=2.
k=1k=1k=1
k=2k=2k=2
k=4k=4k=4
k=0k=0k=0