A long, thin rope containing insect repellant is placed along the z-axis. The density of insects at a point (z, y, z) is given by p(z, y, z) – 5(x² + y*) insects per cubic foot, where z,y, and z are measured in feet. (a) of insects increase or decrease as you move away from the z-axis? What is the insect density at the point (1,1,2)? Does the density

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