Answer
$2002$
Work Step by Step
We are given the function:
$$S(t)=0.0013t^4-0.021t^3+0.084t^2+0.037t+1.2,$$
where $t\geq 0$.
We make a table of values for the function $S$:
\[ \begin{array}{|c|c|}
\hline
t& S(t) \\
\hline
0 &1.2\\
\hline
2 & 1.46\\
\hline
4 & 1.68\\
\hline
6 & 1.59\\
\hline
8 & 1.44\\
\hline
10 & 1.97\\
\hline
12 & 4.41\\
\hline
14 &10.50\\
\hline
\end{array}\]
We plot the ordered pairs $(t,S(t))$ from the table:
$$(10.048,2)$$
This means that the first year when the number of snowboarding participants was greater than $2$ million was $1992+10=2002$.