Practice rational or irrational

Find the zeros of each function. f(x) = 6x^2 - 7x - 20

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

Me d is also an option but i couldn't get it in the picture