0 #85) Suppose that S f(x) dx = 3. Find S f(x) dx if you know the following: 0 -1 a) f (x) is odd . b) f (x) is even. 8:42 PM Tue Dec 14 @ 2% 4 Section 5.6) Use of substitutions. #1) a ) Svy + 1dy. b ) S Vy + 1dy -1 V3 a) l- 4x - dx . 0 Vx-+1 V3 b) s -4x dx -V3 Vx +1 2 TO #13) a ) J COSZ dz 0 V4+3 sinz b) S COSZ dz -T V4+3 sinz (non-textbook) a) fe xax . b) S - dx TT/ 4 -dx 0 x+1 0