Solve x=-1+7/4
and -1+7/4

Find the area of a parallelogram with base 15 yards and height 21 2/3

For f(x) = 3x+1 and g(x) = x2 - 6, find (g/f)(x)

Find the volume of the solid obtained by rotating the region enclosed by the curves y=1x and y=7^-x about the x-axis. (use symbolic notation and fractions where needed.) volume =