(Solved):
(1) Draw the influence lines for (a) the vertical reaction at \( \mathrm{B} \), (b) the moment at ...
(1) Draw the influence lines for (a) the vertical reaction at \( \mathrm{B} \), (b) the moment at \( \mathrm{C} \), and (c) the shear just to the right of the support at \( \mathrm{A} \). Note that \( \mathrm{A} \) is a pin and \( \mathrm{B} \) is a rocker.