Perform the matrix operation.Given A =  and B =  , find AB.

A.

B.
 
C.

D.  


Answer: A

Mathematics

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Solve the problem.In the number sequence that corresponds to this dot sequence, which term is 20?

A. Term 20 B. Term 10 C. Term 7 D. Term 21

Mathematics

Solve the problem.The graph shows the sales of a particular brand of appliance from 1992 to 2010, where 1992 corresponds to . Is the slope of the line in the graph positive or negative? Explain. 

A. Negative; The sales are decreasing. B. Positive; The sales are increasing.

Mathematics

Translate the given formula to an English phrase using the word "varies".r = , where r is the rate by which distance d is covered in time t

What will be an ideal response?

Mathematics

Find the following.f'(-3) if f(x) = x4 + 4x3 + 2x + 2

A. 49 B. 47 C. 2 D. 4

Mathematics