Decide whether the given number is a solution of the given equation.Is 7 a solution of 8x = 63 - x?
A. Yes
B. No
Answer: A
Mathematics
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Find the interval of convergence of the series.
A. 3 ? x < 5 B. x < 5 C. 3 < x < 5 D. 2 ? x < 6
Mathematics
Solve the rational inequality.
< x
A. (3, 6) B. (-?, 3) ? (6, ?) C. (6, ?) D. (0, 3) ? (6, ?)
Mathematics
Find the value of k for which the first polynomial is a factor of the second polynomial.x + 3; x3 + 5x2 + 5x + k
A. k = 3 B. k = 2 C. k = -3 D. k = -2
Mathematics
Find the indicated cross product.v = i + 4j - 2k, w = -3i + 6j - kFind w × v.
A. -18i + 8j - 8k B. -8i - 7j - 18k C. 2i - 5j - 22k D. 7i + 8j - 18k
Mathematics