Check the addition. If the answer is incorrect, find the correct answer.
7495
A. Incorrect; should be 7605
B. Incorrect; should be 7505
C. Correct
D. Incorrect; should be 7506
Answer: B
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Find T, N, and B for the given space curve.r(t) = (8t sin t + 8cos t)i + (8t cos t - 8 sin t)j - 6k
A. T = (-cos t)i - (sin t)j; N = (sin t)i - (cos t)j; B = -k B. T = (-cos t)i - (sin t)j; N = sin(t)i - (cos t)j; B = 6k C. T = (-cos t)i - (sin t)j; N = (sin t)i - (cos t)j; B = k D. T = (-cos t)i + (sin t)j; N = (sin t)i + (cos t)j; B = -k
Determine whether the function is a solution of the wave equation.w(x, t) = cos (3t - 3cx), c ? 1
A. Yes B. No
Provide an appropriate response.Simplify the following; express your answer with no radical in the denominator: 
What will be an ideal response?
Write the first four terms of the recursive sequence.a1 = -10, an = n - an - 1 for n ? 2
A. -11, -8, -10, -7 B. -10, 12, -9, 13 C. -10, -20, 10, -30 D. -10, -8, 11, -7