Find the requested vector.w = 2i + 4j - kFind a vector orthogonal to both w and j + k.
A. 5i - 4j + 4k
B. 3i - 3j - 3k
C. 2i - 2j + 5k
D. 5i - 2j + 2k
Answer: D
Mathematics
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Solve the problem.The accompanying figure shows the graph of y = -x2 shifted to a new position. Write the equation for the new graph.
A. y = -(x - 5)2 - 4 B. y = -(x + 4)2 + 5 C. y = -(x - 5)2 + 4 D. y = -(x + 5)2 + 4
Mathematics
Express the number in scientific notation.0.000315
A. 3.15 × 10-3 B. 3.15 × 104 C. 3.15 × 10-4 D. 3.15 × 10-5
Mathematics
Solve the compound inequality. Graph the solution set and write the solution in interval notation.x ? 3 or x ? 6
A. (-?, 3] ? [6, ?)
B. (3, 6)
C. (-3, 6)
D. [-6, -3]
Mathematics
Perform the conversion. Round to the nearest tenth when necessary.20 L to gal
A. 5.3 gal B. 9.0 gal C. 21.2 gal D. 4.7 gal
Mathematics