Answer the question.The length of a rectangle is three inches more than the width. The area of the rectangle is 304 inches. If x represents the width, what are the restrictions on x?

A. 3 < x < 304
B. 0 < x < 
C. -3 < x < 
D. 3 < x < 


Answer: B

Mathematics

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Write the first four terms of the binomial expansion.(3x + 2y)7

A. 823,543y + 6x6y2 + 5x5y3 + 4x4y4 B. 2187x7 + 10,206x6y + 20,412x5y2 + 22,680x4y3 C. 7x7  + 6x6y + 5x5y2 + 4x4y3 D. 2187x7 y + 10,206x6y2 + 20,412x5y3 + 22,680x4y4

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Calculate the flux of the field F across the closed plane curve C.F = xi + yj; the curve C is the circle (x - 10)2 + (y + 4)2 = 16

A. 2? B. 32? C. 32? + 40 D. 0

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Write in logarithmic form. 5 = 

A. log5/2 = 5
B. log5/25 = 
C. log5 =  
D.  =  

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Find the average rate of change for the function over the given interval.y = 4x2  between x = 0 to x = 

A. 2
B. - 
C.
D. 7

Mathematics