1. Find the mass of the wire.

Density at (x,y) is x; the wire occupies the portion of the parabola

y = (x^2)/2 from (0,0) to (1, 1/2)

2. A wire occupies the spiral r = e^@ corresponding to @ in [0,2pi]. the density of the wire at point (r,@) is r. Find the mass of the wire.

@ is theta btw; i don't know how to type out the symbol

thanks