\documentclass{exam}[12pt]

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\begin{document}
\pagestyle{head}

\firstpageheader{\large Calculus I}{\bf\Large Elementary Derivatives}{\large Name:\hspace{1in} }
%\extraheadheight{.7in}
%\extrafootheight{-1in} 
%\small{\textit{Work all questions completely.  Show all work.}}

\begin{questions}
\large{
%\question Use the definition to find the derivative of $f(x)=x^2 + 3x$. 
%\vspace{2.2in}

\question Find the derivative of $f(x)=4x^2 +2x-3$. 
\vspace{.7in}

\question Find the derivative of $\displaystyle g(x)=\sqrt{x}-\frac{2}{x^3}$. 
\vspace{.7in}

\question Find the derivative of $h(t)=t^3(4t-2)$. 
\vspace{1.1in}

\question Find $\displaystyle\frac{d}{dx} (5x+1)\sqrt{x}$.
\vspace{1.1in}


\question Find $\displaystyle\frac{d}{dx} \frac{5x+1}{x}$.
\vspace{1.1in}

\question Find $\displaystyle\frac{d}{dx} \frac{3x^4 +x^{1/5}}{x^2 -4}$.
\vspace{1.1in}

\question Find $\displaystyle\frac{d}{dx} \frac{1}{\sqrt{x}}$.
\vspace{1.1in}

\question Find $\displaystyle\frac{d}{dx} x^2\sin(x)$.
\vspace{1.1in}

\question Find $\displaystyle\frac{d}{dx} \frac{x^3}{\cos(x)}$.
\vspace{1.1in}


} 
\end{questions}
\end{document}