URGENT PLEASE SOLVE EVERY QUESTION AS IT BELONG TO A WORKSHEET HELPING ME STUDY FOR MY EXAm thank you.

A rectangle is inscribed under the curve x2 + 4y - 1 with its base on the x-axis, as shown in the figure below. Find the coordinates of (x, y ) that will maximize the area of the rectangle. Show all your work. AY 1/2 (xx, y) I X -1/2box as shown by the figure below. Find a so that the volume is maximized. cut 5 ft Fold lines 8 ft Please select file(s) Select file(s)