1. ??² (x+1)/(x²+2x) dx = (A) ln 8 - ln 3 (B) (ln 8 - ln 3)/2 (C) ln 8 (D) (3 ln 2)/2 (E) (3 ln 2 + 2)/2 2. If f(x) = { x for x ? 1, 1/x for x > 1, then ??? f(x) dx = (A) 0 (B) 3/2 (C) 2 (D) e (E) e + 1/2 3. Which of the following is equal to ? 1/?(25 - x²) dx? (A) arcsin(x/5) + C (B) arcsin x + C (C) 1/5 arcsin(x/5) + C (D) ?(25 - x²) + C (E) 2?(25 - x²) + C 4. ? sin(2x + 3) dx = (A) -2 cos(2x + 3) + C (B) -cos(2x + 3) + C (C) -1/2 cos(2x + 3) + C (D) 1/2 cos(2x + 3) + C (E) cos(2x + 3) + C 5. If ? f(x) sin x dx = -f(x) cos x + ? 3x² cos x dx, then f(x) could be (A) 3x² (B) x³ (C) -x³ (D) sin x (E) cos x
Added by Kelly S.
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In the first step, we need to find the slope of the line. This is given by: slope = -3 Show more…
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