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How to do this?? How to show that the equation 16x^2+4y^2-64x-40y+100=0 represents ellipse? Find centre,foci,vertices? Start menue? Cosblah is copyrighted by whom? Do you really believe nasa found Morse code like pics in the sand dunes of mars? If the graph of the function h defined by h(x)=4x^2+6 is translated vertically upward by 4 units, find the expression for f(x).?