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The diagram shows the graph of y = x/2 + 2/x, for 0 < x ≤ 8

(a) Use the graph to solve the equation

x/2 + 2/x = 3

(b) By drawing a suitable tangent, work out an estimate of the gradient of the graph where x = 1

The diagram shows the graph of y x2 2x for 0 lt x 8 a Use the graph to solve the equation x2 2x 3b By drawing a suitable tangent work out an estimate of the gra class=