14. [-/2 Points] DETAILS MY NOTES ADLERCALC2 7.6.063. 0/1 Submissions Us Find the length of the curve. y= + 1 from x = 1 to x = 2. 6 2x Show My Work (Pam15. [-/2 Points] DETAILS MY NOTES AD Evaluate the improper integral. 0.001 9 3 dx JO X19. [-/3 Points] DETAILS MY NOTES HGMCALC5 7.4.046. 0/1 Submissions Used (a) If we use the substitution x = 4 sin(0), then which of the following integrals is equivalent to V16 - 12 of (cos (): de 16. (sin (0)2 de 4 . (sin (8))2 de cos (0) 16. (sin (0)? . cas (8) de (b) Use the integral in part (a) to evaluate V16 - 12 + C21. [-/2 Points] DETAILS MY NOTES ADLERCALC27.6.043. 0/1 Submissions Used Find the volume of the solid obtained by rotating the region R enclosed (bounded) by the given curves about the given axis. xy =1, x =y, and y = 2; about the y-axis 22. [-/2 Points] DETAILS MY NOTES LARCALC11 5.6.019. 0/1 Submissions Used Evaluate the limit, using L'Hopital's Rule if necessary. lim ex - (1 + x)