Provide an appropriate response.Evaluate 5x2y - 4xy - 5y for x = 4 and y = 2.

A. 118
B. 28
C. 108
D. 128


Answer: A

Mathematics

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Determine the principal value without using a calculator.3

A. 9.26 B. Not real number C. 18.52 D. -7

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Use a finite approximation to estimate the area under the graph of the given function on the stated interval as instructed.f(x) =  between x = 4 and x = 6 using a right sum with two rectangles of equal width.

A.
B.
C.
D.

Mathematics

Find all the roots of the complex number. Put answers in standard form.Cube roots of 8j

A. -2j, -  - j,  - j
B. -2j,  + j, -  + j
C. 2j,  - j, -  - j
D. 2j,  + j, -  + j

Mathematics

Evaluate the integral.dx 

A. -  +  + C
B. -  -  + C
C.  +  + C
D.  -  + C

Mathematics