Find the area of the surface given by z = f(x, y) that lies above the region R. f( x, y) = 5x + 5y R: triangle with vertices (0, 0), (4, 0), (0, 4) 16v 26 3 X Need Help? Read It Watch It /1 Points] DETAILS LARCALC12 14.5.007. Find the area of the surface given by z = f(x, y) over the region R. (Hint: Some of the integrals are simpler in polar coordinates.) f( x , y) = 4 - x2 R: square with vertices (0, 0), (2, 0), (0, 2), (2, 2) Need Help? Read It (1 Points] DETAILS LARCALC12 14.5.009. Find the area of the surface given by z = f(x, y) that lies above the region R. f( x, y ) = 3+4x3/2 R: rectangle with vertices (0, 0), (0, 5), (4, 5), (4, 0)