Solve the equation.
A. { 0, 2 }
B. { 0, -2 }
C. { 0 }
D. { -2 }
E. { 2 }
Answer: D
Mathematics
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For the curve r(t), write the acceleration in the form aTT + aNN.r(t) = (4t sin t + 4 cos t)i + (4t cos t - 4 sin t)j + 9k
A. a = 4T + 
N
B. a = 4tN
C. a = 4T + 4tN
D. a = 
N
Mathematics
Solve the equation using the quadratic formula.(3x - 2)(x + 1) = 0
A. 
, -1
B. 
, 1
C. 
, 0
D. 
, -1
Mathematics
Differentiate implicitly to find d2y/dx2.y2 + xy + x2 = 8
A. - 
B. - 
C. 
D. 
Mathematics
Write a true sentence using either < or >.60 __ -36
A. 60 < -36 B. 60 > -36
Mathematics