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The gradient of a curve at point (x,y) is 4x-3. The curve has a minimum value of #-1/8# . (a) Find ;(i) the value of x at the minimum point . (ii) The equation of the curve. (b) P is a point on the curve in part (a) (ii) above. If the gradient of the curve
at p is -7, find the coordinates of p.