Will johnson is putting baseboards in a 13 foot square room. How many feet of baseboards will he need. plz hurry with the answer plz

Find the volume of the solid whose base is the region bounded by f(x), g(x) and the x-axis on the interval [0, 1], and whose cross-sections perpendicular to the y-axis are squares. your work must show the integral, but you may use your calculator to evaluate it. give 3 decimal places for your answe