What is the greatest common factor of 8xy^5−16x^2y^3+20x^4y^4 ? a. 8xy^5 b. 2xy^3 c. 4xy^3 d. 4x^4y^5

Which is the graph of f(x) = (4)x? image for option 1 image for option 2 image for option 3 image for option 4

What is the value of x in the following equation. -x ^3/2 = -27

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 =