Decide whether or not matrix A and matrix B are inverses.A =  and B =  

A. Yes
B. No


Answer: B

Mathematics

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Determine whether the argument is valid or invalid.Sam plays tennis or George is not a man. If George is not a man, then Betsy does not win the award. Betsy wins the award. Therefore, Sam does not play tennis.

A. Valid B. Invalid

Mathematics

Solve.The displacement y (in cm) of an object hung vertically from a spring and allowed to oscillate is given by the equation where t is the time (in s). Find the first three terms of the Maclauren expansion of this function.

A. 9t + 6.3t2 + 2.205t3 + . . . B. 9t + 12.6t2 + 1.41t3 + . . . C. 9t + 3.15t2 - 0.03t3 + . . . D. 9t + 6.3t2 + 0.705t3 + . . .

Mathematics

Find the perimeter of (distance around) the given figure by adding the lengths of the sides.

A. 8.702 in. B. 10.502 in. C. 7.226 in. D. 9.026 in.

Mathematics

Find the rule that defines each piecewise-defined function.

A. f(x) = 

B. f(x) = 

C. f(x) = 

D. f(x) = 

Mathematics