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. 16x2 + 64x + 25y2 - 100y - 236 = 0
A. C: (-2, 2); V: (-7, 2), (3, 2); F: (-6, 2), (2, 2)
B. C: (-2, 2); V: (-7, 2), (3, 2); F: (-5, 2), (1, 2)
C. C: (-2, 2); V: (2, -7), (2, 3); F: (2, -5), (2, 1)
D. C: (-2, 2); V: (2, -7), (2, 3); F: (2, -6), (2, 2)
Answer: B
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Find the derivative of the function.f(t) = (6 - t)(6 + t3)-1
A. f '(t) = 
B. f '(t) = 
C. f '(t) = 
D. f '(t) = 
Determine whether the graphs of the equations are parallel lines, perpendicular lines, or neither. 4x - 2y = 7 3x + 3y = 7
A. Neither B. Perpendicular C. Parallel
Add or subtract.- 
+ 
A. 
B. - 1
C. - 
D. 1
Solve the problem.By holding a ruler 3 feet in front of her eyes as illustrated in the diagram, Carla sees that the top and bottom points of a vertical cliff face line up with marks separated by 3.5" on the ruler. According to the map, Carla is about a half mile from the cliff. What is the approximate height of the cliff rounded to the nearest foot? Recall that a mile is 5280 feet. 
A. 128 ft B. 3080 ft C. 257 ft D. 513 ft