Find the surface area of the portion of the paraboloid z = 4 - 𝑥^2 -𝑦^2 that lies above the xy- plane?

Answer 1

should have tried google first.

http://sites.science.oregonstate.edu/math/home/programs/undergrad/CalculusQuestStudyGuides/vcalc/surface/surface.html

has this exact problem, only the circle is or radius 4, rather than 2.