Multiply. Simplify by combining like terms.(x2 - 5xy2)(x2y - 11y)
A. x4y - 5x3y3 - 11x2y + 55xy3
B. x4y + 5x3y3+ 11x2y + 55xy3
C. x4y - 16x2y + 55xy3
D. x4y - 16x3y3 + 55xy3
Answer: A
Mathematics
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Use implicit differentiation to find dy/dx and d2y/dx2.x2 + y2 = 5, at the point (2, 1)
A. 
= 2; 
= 5
B. 
= - 
; 
= 0
C. 
= - 2; 
= 1
D. 
= - 2; 
= -5
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Insert the symbol < or > between the pair of numbers. - 15 ___ 4
A. < B. >
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Find the numbers, if any, where the function 
is discontinuous.
a. –2 b. 2 c. 1 d. 0
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Perform the indicated operation. Be sure to simplify your answer.
- 
A. 
B. 
C. 
D. 
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