Find the product.(x + y)(x2 + 10xy - y2)
A. x3y + 10x2y - xy3
B. x3 + 10x2y + 10xy2 - y3
C. x3 + 11x2y + 9xy2 - y3
D. x3 + 10x2y - xy2
Answer: C
Mathematics
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Find the quotient.(x2 + 2x - 63) ÷ (x + 9)
A. x - 7 B. x + 7 C. x2 - 7 D. x2 + 3x - 54
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Find the derivative.r = 
- 
A. 
- 
B. - 
+ 
C. 
- 
D. - 
+ 
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Use mathematical symbols to translate the phrase. Use x to represent the unknown number. If there are two unknown numbers, use x and y to represent the numbers.10 more than some number
A. 10x
B. x - 10
C. x + 10
D. 
Mathematics
Evaluate.If f(x) = 2x + 10 and g(x) = x2 + 3, evaluate 
(2).
A. 98
B. 21
C. 
D. 2
Mathematics