Find the surface area of the portion s of the cone z2=x2+y2, where z≥0, contained within the cylinder y2+z2≤9.

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Which statement is true about the local minimum of the graphed function? over the interval[-4,-2], the local minimum is 0. over the interval [-2,-1] , the local minimum is 25. over the interval [-1,4], the local minimum is 0. over the interval [4,7], the local minimum is -7

Consider the point (x, y) lying on the graph of the line 6x+4y=7. let l be the distance from the point (x, y) to the origin (0,0). write l as a function of x.