questions below:

Write an iterated integral for dA over the region R described to the right using R a. vertical cross-sections, b. horizontal cross-sections. y = 5x y= x2 R/ X a. Write the correct iterated integral using vertical cross-sections. Select the correct answer below and fill in the answer boxes to complete your choice. OA. J J ax dy OB. J J dy dx b. Write the correct iterated integral using horizontal cross-sections. Select the correct answer below and fill in the answer boxes to complete your choice. O A. J dx dy O B. J J dy dxSketch the region bounded by the given lines and curves. Then express the region's area as an iterated double integral and evaluate the integral. The curvey= 2" and'lhe linesy=0,x=0, and x: mm Sketch the region. Choose the correct graph below. OA- OB. oc. Express the shaded area as an iterated integral. Select the correct choice below and ll in the answer boxes to complete your choice. OA. A=I Idydx In 20 OB. A=I Idydx+f Idydx 0 The value of the integral is . (Simplify your answer. Type an integer or a fraction.) on