Solve the problem.Find the point on the curve of intersection of the paraboloid    and the plane    that is closest to the origin.

A. (1, -1, 1)
B. (-1, 1, 1)
C. (1, 1, -1)
D. (1, 1, 1)


Answer: B

Mathematics

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Write the expression in simplest form. If a radical appears in the denominator, rationalize the denominator.

A. 7
B. 3
C. 21
D. 7

Mathematics

Solve the inequality. Express your answer using interval notation.|x - 1| < 0

A. (-?, 1) B. (-1, 1) C. (-1, ?) D. no solution

Mathematics

Use U = universal set = {0, 1, 2, 3, 4, 5, 6, 7, 8, 9}, A = {1, 2, 3, 5, 8}, B = {2, 3, 5, 7}, and C = {1, 4, 9} to find the set.(B ? C) ? A

A. { } B. {1, 2, 3, 4, 5, 7, 9} C. {1, 2, 3, 5} D. {1, 2, 3}

Mathematics

Solve.The formula P = 0.67x2 - 0.042x + 1 models the approximate population P, in thousands, for a species of fish in a local pond, x years after 1997. During what year will the population reach 54,892 fish?

A. 2007 B. 2008 C. 2005 D. 2006

Mathematics