The function of this sequence is linear. the slope of the function is 5. what number should be first in the sequence? ? , , 7, 12, 17, 22

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