Hi, please help me its timed!

Witch represents the inverse of the function f(x)=1/4x-12

Which type of graph would allow us to compare the median number of teeth for mammals and reptiles easily

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