Find the derivative of the function.f(x) = (3x - 2)(2x3 - x2 + 1)
A. 24x3 - 7x2 + 21x + 3
B. 24x3 - 21x2 + 4x + 3
C. 6x3 + 7x2 - 21x + 3
D. 18x3 + 21x2 - 7x + 3
Answer: B
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Graph the solution set.|x| = 9
A. 
B. 
C. 
D. 
Solve.The number B (measured in thousands) of a certain type of endangered bird can be approximated by the equation B = 1.66x2 + 3.2x + 6.87, where x is the number of years after 1998. How many birds does the equation predict there will be in the year 2008?
A. 176,070 birds B. 198,000 birds C. 55,470 birds D. 204,870 birds
Factor as completely as possible. If unfactorable, indicate that the polynomial is prime.25k3m - 20k2m2 + 4km3
A. km(5k - 2m)(5k + 2m) B. km(5k + 2m)2 C. km(5k - 2m)2 D. Prime
Factor the sum or difference of two cubes.343x3 + 216
A. (7x + 6)(49x2 + 42x + 36) B. (343x - 6)(x2 + 42x + 36) C. (7x - 6)(49x2 + 42x + 36) D. (7x + 6)(49x2 - 42x + 36)