$[-/2$ Points$]$

SCALCET$84\mathrm{.}3\mathrm{.}066.$

In an episode of The Simpsons television show, Homer reads from a newspaper and announces "Here's good news! According to this eye$-$catching article, SAT scores are declining at a slower rate. "Interpret Homer's statement in terms of a function and its first and second derivatives.

If $S(t)$ is the average SAT score as a function of time $t,$ then $S^{\text{'}}(t)?$~~$0$ and $S^{\text{'}\text{'}}(t)?0.$

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