a. Graph on the interval [0,3]
b. Convert to rectangular form.
c. Adjust the domain of the rectangular form to agree the parametric form.
x = sqrt(t^2 + 2t + 1) = (t+1)
y = (t^3 + 2t^4)/t^2
=> y = t(1+2t) [for t!=0]
=> y ...
Polynomial expressions are converted to rectangular and parametric forms.