Solve the rational equation.
- 
= 
A. {35}
B. {-35}
C. {70}
D. {
}
Answer: A
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Find the net cost equivalent and the percent form of the single discount equivalent for the following series discount.15/5/15/15
A. 0.55; 50% B. 0.5; 55% C. 0.41658; 58.342% D. 0.58342; 41.658%
For the given point, find the coordinates of the image point under a half-turn about the origin.(2, ?3)
A. (2, 3) B. (?3, 2) C. (?2, 3) D. (3, ?2)
Find the vertices and the foci of the given ellipse.
+ 
= 1
A. V: (-7, 0), (7, 0);
F:(- 
, 0), (
, 0)
B. V: (0, -16), (0, 16);
F: (0, -4) and (0, 4)
C. V: (-49, 0), (49, 0)
F: (-7, 0) and (7, 0)
D. V: (0, -7), (0, 7);
F: (0, - 
), (0, 
)
Find the derivative of the function.f(x) = (5x - 3)(4x3 - x2 + 1)
A. f'(x) = 60x3 + 51x2 - 17x + 5 B. f'(x) = 80x3 - 17x2 + 51x + 5 C. f'(x) = 20x3 + 17x2 - 51x + 5 D. f'(x) = 80x3 - 51x2 + 6x + 5