Find the product.(7x - 11y)2
A. 7x2 + 121y2
B. 49x2 - 154xy + 121y2
C. 7x2 - 154xy + 121y2
D. 49x2 + 121y2
Answer: B
Mathematics
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Find dy.y = csc(4x2 - 1)
A. -8x csc(8x) cot(8x) dx B. -8x csc(4x2 - 1) cot(4x2 - 1) dx C. 8x csc(4x2 - 1) cot(4x2 - 1)dx D. -4x2 csc(4x2 - 1) cot(4x2 - 1) dx
Mathematics
Write out the first five terms of the sequence.an = 
xn
A. 
x, 
x2, 
x3, 
x4, 
x5
B. - 
x, - 
x2, - 
x3, - 
x4, - 
x5
C. 
x, - 
x2, 
x3, - 
x4, 
x5
D. 
x, - 
x2, - 
x3, - 
x4, - 
x5
Mathematics
How many pages are necessary to make 1,050 copies of a manuscript that is 423 pages long? (Print on one side only.) ?
A. 915,850 B. 775,850 C. 626,650 D. 423 E. 444,150
Mathematics
Answer the question.Which one of the equations below matches the graph?
A. y = 3 cos
B. y = 3 sin
C. y = -3 sin(4x)
D. y = 3 cos(4x)
Mathematics