## Precalculus (6th Edition)

There were around $7.296$ million students who took at least 1 online college course in 2012.
Since $x=0$ corresponds to the year 2002 and $x=1$ corresponds to the year 2003, , then $x=10$ corresponds to the year $2012$. Substitute $10$ to $x$ to obtain: Number of students $\\= 0.0112(10^2)+0.4663(10)+1.513 \\=0.0112(100)+4.663 + 1.513 \\=1.12 + 4.663 + 1.513 \\=7.296$ Thus, there were around $7.296$ million students who took at least 1 online college course in 2012.