A builder wants to build a sump to store water in an apartment. The volume of the rectangular sump will be modelled by V(x) = x3 + x2 ? 4x ? 4 . (i) He planned in such a way that its base dimensions are (x + 1) and (x + 2) . How much he has to dig ? (a) (x + 1) (b) (x - 2) (c) (x - 3) (d) (x + 2)
Dear student Your question seems to be incomplete as in expression V(x) ,? are totally unclear,kindly recheck and post again so that we may provide you meaningful help,looking forward to hear from you again. regards.