Find the derivative of the function.f(x) = (x2 - 3x + 2)(4x3 - x2 + 5)
A. 4x4 - 48x3 + 33x2 + 6x - 15
B. 20x4 - 52x3 + 33x2 + 6x - 15
C. 4x4 - 52x3 + 33x2 + 6x - 15
D. 20x4 - 48x3 + 33x2 + 6x - 15
Answer: B
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Solve.29 = 8x - 3
A. 24 B. 28 C. 6 D. 4
Add or subtract the rational numbers. Express the sum or difference as a rational number in lowest terms.- 
+ 
A. 
B. 
C. 
D. 
Solve the problem.The recipe for a chocolate chip cake calls for 
pound of chocolate chips. If a bakery wants to make 20 cakes, how many pounds of chocolate chips will they need?
A. 20 pounds B. 5 pounds C. 16 pounds D. 4 pounds
Solve the problem.A tank contains 2000 L of a solution consisting of 50 kg of salt dissolved in water. Pure water is pumped into the tank at the rate of 10L/s, and the mixture (kept uniform by stirring) is pumped out at the same rate. How long will it be until only 5 kg of salt remain in the tank?
A. approximately 460 seconds B. approximately 703 seconds C. approximately 276 seconds D. approximately 689 seconds