Sketch the function f(x) = 2x - tanx over the interval [-π/2, π/2] using information such as

-domain/range

-y and x intercepts

-symmetry

-asymptotes

-all critical points (x,y) of max/min points

-increasing/decreasing intervals

-points of inflection

-concavity

Find the length of the shortest ladder that will reach over an 8-ft. high fence to a large wall, which is 3 ft. behind the fence.

Integrate by parts x/ (x-1)^(1/2)