Points, Vectors, and Functions
Example 1
Graph the function defined by the parametric equations x(t) = cos t for 0 ≤ t ≤ 2π. 
Example 2
Graph the function described by the parametric equations x(t) = 2^{t}, y(t) = t^{2} for 4≤ t ≤ 4. 
Example 3
Graph the function described by x = f(t) and y = g(t) where the functions f(t) and g(t) are as shown below.

Example 4
Graph the function <f(t), g(t)> where the functions f(t) and g(t) are as shown below. 