Quiz 1 - Math 53, section 213
1. For the parametric curve given by x = t2 + 1, y = t2 + t, find dy/dx and d2y/dx2 in terms of t. For which values of t is the curve concave upward?
2. Identify the curve - r2cos(2θ) = 1, by finding a Cartesian equation for the curve.