Find the integral.
A. 4x2 - 4 ln 
+ C
B. 16x2 + 2x-2 + C
C. 4x2 + 2x-2 + C
D. 16x2 - 4 ln 
+ C
Answer: A
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Find the mode(s) for the given sample data. The blood types for 30 people who agreed to participate in a medical study were as follows.
?Find the mode of the blood types.
A. O B. 13 C. O, A D. A
Solve the problem.The initial value problem models the payoff of a loan. Solve the initial value problem for t ? 0, and determine the first month in which the balance is zero. B'(t) = 0.001B - 200, B(0) = 10,000
A. B = 20,000 + 19,000e0.001t, reaches a balance of zero after approximately 61 months B. B = 20,000,000e0.001 + 2,000,000e0.001t, reaches a balance of zero after approximately 101 months C. B = 20,000 - 19,000e0.001t, reaches a balance of zero after approximately 41 months D. B = 200,000 - 190,000e0.001t, reaches a balance of zero after approximately 51 months
Evaluate the improper integral.
A. 12 B. 6 C. 4 D. 0
Factor completely. If the polynomial is prime, so state.16y2 + 72y - 40
A. 8(2y + 1)(y - 5) B. 8(2y - 1)(y + 5) C. (16y - 8)(y + 5) D. prime