Factor the expression.x(2x + 4)2(x2 - 7)-1/2 + 5(x2 - 7)1/2(2x + 4)
A. (2x + 4)(x2 - 7)1/2(7x2 + 4x - 35)
B. (2x + 4)2(x2 - 7)-1/2(5x2 + x - 35)
C. (2x + 4)(x2 - 7)-1/2(7x2 + 4x - 35)
D. (2x + 4)(x2 - 7)-1/2(5x2 + 2x - 31)
Answer: C
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Determine the order of integration and then evaluate the integral.
A. 5(1 - cos 2)
B. cos 2 - 1
C. 
(1 - cos 2)
D. 
(1 - cos 2)
Determine whether the first number is divisible by the second number.3752; 7
A. Yes B. No
Write the expression in lowest terms.
A. 0 B. 1 C. -1 D. -y
Answer the question.Which of the following statements are true for the set S={v1, . . . , vk} in ?n?I: {v2-v1, . . . , vk-v1} is linearly dependent if and only if S is affinely dependent.II: If S is affinely independent and a point p in ?n has all positive barycentric coordinates determined by S, then p is not in aff S.
A. Both I and II B. Neither I or II C. I D. II