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Given the piece-wise function:

$$h(x)=\begin{cases} { x }^{ 2 }-k\quad \quad \quad\quad ;\quad x<-1 \\\ 2{ x }^{ 3 }+3{ x }^{ 2 }+1\quad ;\quad x\ge -1 \end{cases}$$

Find the value of $k$ for which $h(x)$ is continuous everywhere.

A

$k=-5$

B

$k=-3$

C

$k=1$

D

$k=-1$

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