Answer
$$W \approx 3249.443{\text{ft - lb}}$$
Work Step by Step
$$\eqalign{
& {\text{Let the force }}F\left( x \right) = 1000\left[ {1.8 - \ln \left( {x + 1} \right)} \right],{\text{ }}0 \leqslant x \leqslant 5 \cr
& {\text{The work done by the press is:}} \cr
& W = \int_a^b {F\left( x \right)} dx,{\text{ with }}F{\text{ in pounds and }}x{\text{ in feet}} \cr
& W = \int_0^5 {1000\left[ {1.8 - \ln \left( {x + 1} \right)} \right]} dx \cr
& {\text{Using a graphing utility}}\left( {{\text{scientific calculator}}} \right),{\text{we obtain:}} \cr
& W \approx 3249.443{\text{ft - lb}} \cr} $$
