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The area between two curves $f(x)$ and $g(x)$ from $a$ to $b$ is given by $\int_a^b |f(x) - g(x)| dx$.
\subsectionIntroduction to Conic Sections
A parametric equation is a set of equations that express $x$ and $y$ in terms of a parameter $t$.
\sectionDerivatives
\subsectionIntroduction to Functions
\begindocument
\subsectionIntroduction to Derivatives