Solve the problem.Let R ={(x, y): 1 ? x < 4, 0 ? y < 6}. Evaluate dA, where f is the function 

A. 192
B. 18
C. 87
D. 123


Answer: D

Mathematics

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A. 12
B.
C. -22
D. 22

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A.
B. 2
C. 2
D.

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Find the product.(-4)(13)

A. -52 B. -48 C. -65 D. 48

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