Find two equivalent expressions for the opposite of the polynomial.-4x

A. -(4x); 4x
B. -(-4x); -4x
C. -(-4x); 4x
D. -(4x); -4x


Answer: C

Mathematics

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Calculate the flow in the field F along the path C.F = (x - y)i - (x2 + y2)j; C is curve from (4, 0) to (-4, 0) on the upper half of the circle x2 + y2 = 16

A. - 8?
B. 8?
C. 16?
D.  

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A. 100 B. 400 C. 800 D. 200 E. none of these

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A. y = -7x - 35 B. y = -5x - 7 C. y = 7x - 5 D. y = 5x - 7

Mathematics