Find the sum, if it exists.
A. 
B. - 
C. 
D. Does not exist
Answer: D
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Solve. Round your results to four decimal places.Use the Euler method with dx = 0.2 to estimate y(1) if y' = -y and y(0) = 2. What is the exact value of 
A. y ? 0.4554, exact value is e-2 B. y ? 0.6554, exact value is 2e-1 C. y ? 0.2554, exact value is -e D. y ? 0.0554, exact value is -2e
State how much larger or smaller the first unit is than the second.square decimeter, square kilometer
A. Smaller by a factor of 103 B. Smaller by a factor of 106 C. Smaller by a factor of 104 D. Smaller by a factor of 108
Find the unit tangent vector of the given curve.r(t) = (8 + 11t5)i + (6 + 2t5)j + (4 + 10t5)k
A. T(t) = 
i + 
j + 
k
B. T(t) = 
i + 
j + 
k
C. T(t) = 11i + 2j + 10k
D. T(t) = 
i + 
j + 
k
Find the product.(2x2 - 11y)(-4x2 + 3y + z)
A. -8x4 + 50x2y2 - 33y2 B. -8x4 + 50x2y - 33y4 + 2x2yz C. -8x4 + 50x2y + 2x2z - 33y2 - 11yz D. -8x2 + 50xy + 2x2z - 33y2 - 11z