Add or subtract as indicated.(-2x6 + 9x8 - 4 + 4x7) - (2 - 8x7 + 4x8 + 9x6)
A. 5x8 + 12x7 - 11x6 - 6
B. 5x8 - 4x7 + 7x6 - 2
C. 13x8 - 4x7 + 7x6 - 2
D. 13x8 - 4x7 + 7x6 - 6
Answer: A
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Use logarithmic differentiation to find the derivative of y.y = 
A. 
+ 
- 
B. 
C. ln x + 
ln(x5 + 4) - 
ln(x - 2)
D. 
If the equation represents a hyperbola, find the center, foci, and asymptotes. If the equation represents an ellipse, find the center, vertices, and foci. If the equation represents a circle, find the center and radius. If the equation represents a parabola, find the focus and directrix. x2 - 6x + 4y + 25 = 0
A. F: (3, -5); D: y = -3
B. F: (3, -3); D: y = -5
C. F: 
; D: y = - 
D. F: (3, -8); D: y = 0
Determine whether the given expression is a monomial (Yes or No). For those that are monomials, state the coefficient and degree.r
A. yes; coefficient 1; degree 1 B. yes; coefficient 1; degree r C. yes; coefficient r; degree 1 D. no
Write the indicated term of the binomial expansion.(4x - 2y)11; 10th term
A. 225,280x2y10 B. 225,280x9y2 C. -450,560x2y9 D. -112,640x9y2