Determine the values of 'x' for which th...

Determine the values of 'x' for which the function `f(x) = x^2 + 2x - 3` is an increasing. Also find the co-ordinates of the points on thecurve `y = x^2 + 2x-3`, where the normal is parallel to the line x - 4y + 7 = 0

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