Let $h$ be a continuous function on the closed interval $[-7,-1]$. A few values of $h$ are given in this table:
$x$ | $-7$ | $-5$ | $-3$ | $-1$
:- | -: | -: | -: | -:
$h(x)$ | $1$ | $-3$ | $5$ | $-7$
**Which intervals *must* contain a solution to $h(x)=-2$ ?**
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