Please answer all questions with step by step

1. The straight line, L, has equation 2y-27x-9=0. (a) Find the gradient of L. Sarah wishes to draw the tangent to f(x) = x* parallel to L. (b) Write down f'(x) . (c) (i) Find the x coordinate of the point at which the tangent must be drawn. (ii) Write down the value of f(x) at this point