Factor completely. If the polynomial is prime, say so.x2 - x - 12
A. (x + 4)(x - 3)
B. (x + 3)(x - 4)
C. Prime
D. (x + 1)(x - 12)
Answer: B
Mathematics
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Find T, N, and B for the given space curve.r(t) = 
(1 + t)3/2i + 
(1 - t)3/2j + 2tk
A. T = 
i + 
j + 
k; N = 
i + 
j; B = 
i + 
j + 
k
B. T = 
i - 
j + 
k; N = 
i + 
j; B = - 
i + 
j + 
k
C. T = 4
i - 4
j + 2k; N = 3
i + 3
j; B = - 1
i + 1
j + 4
k
D. T = 
i - 
j + 
k; N = 
i + 
j ; B = - 
i + 
j + 
k
Mathematics
Find the volume of the indicated region.the region bounded by the coordinate planes and the planes 
, 
A. 
B. 
C. 9
D. 
Mathematics
Perform the indicated operation. Simplify, if possible.
- 
+ 3
A. 
B. 
C. 
D. 
Mathematics
Change the order of integration and evaluate the integral.
A. 
?
B. 
?
C. 2592?
D. 
?
Mathematics