a) Find the slope m of the tangent to the curve y = 7/V× at the point where x = a> 0. b) Find equations of the tangent lines at the points (1, 7) and (4, 2). (x) =| (at the point (1, 7)) · 글) -(x) = at the point c) Graph the curve and both tangents on a common screen.

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