Hi! I need a step by step with a WORDED explanation for each step on question 4. Thanks! (my teacher is garbage) {how is this an incomplete questionjQuery22406998141024771354_1595790803357?)

4. Givenx= y'-2y;ye [0.2] a. Set up the surface area of the solid obtained by revolving the function over the indicated interval, and about x-axis. (make sure that you simplify your ds) b. Use graphing calculator to find the surface Area that has accurate to four decimal places. 5. Solve explicitly for y as function of /, the initial value problem y' = (21+5)sec (v), y(1)=0