If f(x)=7x-3 and g(x)=x^2-4x-8, find (f+g)(x)

Standard deviation of 19,29,21,22,23

Use sigma notation to represent the following series for 9 terms.

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