Determine which of the numbers in the set below are integers.
A. 
B. 
C. 
D. 
E. 
Answer: E
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The position vector of a particle is r(t). Find the requested vector.The acceleration at t = 
for r(t) = (9 sin 2t)i - (8 cos 2t)j + (9 csc 2t)k
A. a
= -36i - 36k
B. a
= -36i + 36k
C. a
= 36i + 36k
D. a
= 32j + 36k
Perform the indicated operation.R(x) = 4x5 - 12x4 - 14, S(x) = 7x4 + 8x5 + 3, T(x) = x6 - 5; Find (R - S + T)(x).
A. x6 - 4x5 - 4x4 - 16 B. x6 - 4x5 - 19x4 - 22 C. x6 - 4x5 - 19x4 - 16 D. -45x9
If a triangle has vertices of 
and 
then the area of the triangle is given by 
Find the area of the triangle with vertices at the given points.(-4, -4) (1, 4) (4, 2)
A. 34 B. 52 C. 26 D. 17
Use the laws of exponents to simplify each expression using positive exponents only. Assume all variables represent nonzero real numbers.
-2
A. 
B. 
C. 
D. 