VA 8.R Q3 - MTH264-U22, section 07 X Course Hero X + V X C webassign.net/web/Student/Assignment-Responses/last?dep=29224107 * I C : y! apple credit union -... New Tab Settings M Gmail YouTube ) Maps Translate 16. [-/1 Points] DETAILS SCALC9 8.2.020. MY NOTES ASK YOUR TEACHER PRACTICE ANOTHER The given curve is rotated about the y-axis. Find the area of the resulting surface. y = = x 2 _ - In(x), 15 x52 Need Help? Read It 17. [-/1 Points] DETAILS SCALC9 8.2.026. MY NOTES ASK YOUR TEACHER PRACTICE ANOTHER Set up an integral for the area of the surface obtained by rotating the given curve about the specified axis. x = 2 cos (y), osys ~; y-axis Evaluate your integral numerically, correct to four decimal places. Need Help? Read It W 12:02 AM 7/5/2022. . e . u o applecreditunionr... e NewTalJ Swings M Gmall VouTube 9 Maps & Translate 18. [I1 Points] SCALC9 8.4.007. MY NOTES H ASKYOUR TEACHER H PRACTICE ANOTHER ' A concert-promoting company has been selling an average of 240 Tshirts at performances for $12 each. The company estimates that for each dollar that the price is lowered, an additional 30 shirts will be sold. Let x be the number of shirts sold. Find the demand function for the shirts. P(X) = Calculate the consumer surplus (in dollars) if the shirts are sold for $10 each. $ Z Need Help? 19. [I1 Points] SCALC9 8.4.018. PRACTICE ANOTHER MY NOTES H ASKYOUR TEACHER I If income is continuously collected at a rate of f(r) dollars per year and will be invested at a constant interest rate r (compounded continuously) for a period of T years, then the future value of T T the income is given by] t) e" ' "at. u T The present value of an income stream is the amount that would need to be invested now to match the future value as described above and is given by] f(t) e'\" dt. Find the present value I u of income received at a rate of .f(t) = 7,000e0'03' dollars per year and invested at 6.7% interest for 8 years. (Round your answer to the nearest cent.) 3%: Need Help? v VA 8.R Q3 - MTH264-U22, section 07 X Course Hero X + V X -> C webassign.net/web/Student/Assignment-Responses/last?dep=29224107 y! apple credit union -... New Tab Settings M Gmail YouTube ) Maps Translate Need Help? Read It 20. [-/1 Points] DETAILS SCALC9 8.3.022. MY NOTES ASK YOUR TEACHER PRACTICE ANOTHER Point-masses m, are located on the x-axis as shown. Find the moment M of the system about the origin and the center of mass x. m1 = 10 m2 = 18 m3 = 22 -5-4-3-2-1 0 1 2 3 4 5 6 7 8 9 10 M = X = Need Help? Read It W 12:04 AM 7/5/2022