Expand the expression using the Binomial Theorem.(x - 9y)5
A. x5 - 45x4y + 810x3y2 - 7290x2y3 + 32,805xy4 - 59,049y5
B. x5 - 45x4y + 810x3y2 - 7290x2y3 + 32,805xy4 - 59,049
C. x5 - 45x4y + 1620x3y2 - 14,580x2y3 + 32,805xy4 - 9y5
D. x5 - 45x4y + 1620x3y2 - 14,580x2y3 + 32,805xy4 - 59,049y5
Answer: A
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and the 
about the 
A. 
B. 
C. 
D. 
Combine like terms whenever possible.5y + 8x4y - 8y + 5x4y
A. 13y + 13x4y B. -3y + 13x4y C. -6y + 26x4y D. -3y + 3x4y
For the given f(x), find a formula for f'(a).f(x) = -9x + 5x2
A. f'(a) = -9 + 5a B. f'(a) = -9 + 10a C. f'(a) = 9 - 10a D. f'(a) = 10a
Simplify the expression. Assume that all variables are positive when they appear.
- 5
+ 2
A. -3x
B. -3x
C. -17x
D. -17x