Find the least common multiple of the given polynomials.x2+ 3x- 4, -6x- 24
A. -6(x - 1)(x - 4)
B. -6(x + 1)(x - 4)
C. -6(x - 1)(x + 4)
D. -6(x + 1)(x + 4)
Answer: C
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Change the Cartesian integral to an equivalent polar integral, and then evaluate.
A. 7? B. 196? C. 98? D. 49?
Solve the application problem.One pump can drain a pool in 9 minutes. When a second pump is also used, the pool only takes 8 minutes to drain. How long would it take the second pump to drain the pool if it were the only pump in use? (Round your answer to the nearest tenth, if necessary.)
A. 71 min B. 73.2 min C. 72 min D. 4.2 min
Evaluate the integral using the given substitution.
dx , u = x3/2 - 9
A. 
sin (x3/2 - 9) + C
B. 
sin3 (x3/2 - 9) + C
C. x3/2 - 9 + 
sin 2(x3/2 - 9)+ C
D. 
(x3/2 - 9) + 
sin 2(x3/2 - 9) + C
Find f-1(x) for the following one-to-one function f.f(x) = 3x3 + 6
A. f-1(x) = 
- 6
B. f-1(x) = 
C. f-1(x) = 
, x ? 6
D. f-1(x) = 