What is equivalent to (x+7)^2 ? 1. x^2+49

2. (x-7)(x+7)

3. (x+7)(x+7)

4. (7x)(7x)

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