Simplify.-4x + 4y + 6x + 8y

A. 12x + 2y
B. 2x + 12y
C. 2x - 12y
D. 14xy


Answer: B

Mathematics

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Find the area of the specified region.Shared by the circles r = 2 and r = 4 sin ?

A. (2? + 3)
B. 2?
C. (4? - 3)
D. ?

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Use logarithmic differentiation to find the derivative of y with respect to the independent variable.y = 3xx2

A. 3xx2 + 1(2 ln 3x ) B. x(2 ln 3x +1) C. xx2 + 1 ln 3x D. 3xx2 + 1(2 ln 3x + 1)

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Provide an appropriate response.Solve the following equation:  x +   =  x

Fill in the blank(s) with the appropriate word(s).

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Solve the inequality, and graph the solution set. < x

A. (-?, 3) ? (7, ?)

B. (3, 7)

C. (0, 3) ? (7, ?)

D. (7, ?)

Mathematics