i posted several questions yesterday day could u please answer them i need them

7:42 w2.pdf MATIN Spring 201 Problem 7. (2 pts) Determine whether the following state or f [Finde-limfix-a (A) Tran 4 of 7 Problem 8 13 pts) The integral [2 21-22-sin) d represents the volume of a solid obtained by (A) rotating the curvey-(cosz-sin) about the s (B) rotating the region bounded by y-cos, y sin about the y-asis C MATIE S (C) rotating the region bounded by 3-osz-siz, y--between 2-0 and/4 about the pas (D) rotating the region bounded by gcos, y sinz, between 0 and 2/4 hout the line Problem s (2 pts) (Volume of a light bully rementar nga tammis >> MAT208 Problem 7. (2 pts) Determine whether the following statement is true or false. f(z) dr = lim limf(2)=0. 1-400 (A) True (B) False Problem 8. (3 pts) The integral Spring 2030 27(7-2) (cosz - sin z) dr represents the volume of a solid obtained by (A) rotating the curve y = (cosz - sin r) about the z-axis (B) rotating the region bounded by y = cos z, y sin z about the y-axis (C) rotating the region bounded by y = cos z - sinz,, y=-z between z=0 and z=1/4 about the y-axis. (D) rotating the region bounded by y = cos r, y sinz, between r = 0 and z=1/4 about the line z=r