ex1) a) graph the parametrics<br />
b) use TI calculator to find dx/dt, dy/dt, and dy/dx (using the trace/graph tools)<br />
c) find an equation of the tangent line<br />
<br /><br />

x = 2T<br />
y = t^2 - 1<br />
t = 2<br />
Then use the graphing calculator.<br />