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Differentiability
2. Intro to Derivatives / Differentiability / Problem 2
Problem 2

For what value or values of the constant kk, if any, is the function g(x)g(x) defined as g(x)={sinx, if x<0kx2, if x0g(x)=\begin{cases}\sin x,\text{ if }x<0\\ kx^2,\text{ if }x\ge0\end{cases}, continuous at x=0x = 0 and differentiable at x=0x = 0?

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