Find the focus and directrix of the parabola.y2 - 36x = 0
A. F: (0, 9); D: y = -9
B. F: (9, 0); D: x = -9
C. F: (9, 0); D: y = -9
D. F: (9, 0); D: x = 9
Answer: B
Mathematics
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Given the function f, match the function g with a transformation of f.f(x) = x2 - 1, g(x) = (x + 3)2 - 1
A. f(x) + 3 B. f(x + 3) C. f(x - 3) D. f(x) - 3
Mathematics
Answer the question.Find the scale ratio for a map if 3 centimeters on the map represents 0.6 kilometer on the ground.
A. 1 : 200,000 B. 1 : 20,000 C. 1 : 2,000 D. 1 : 60,000
Mathematics
L'Hopital's rule does not help with the given limit. Find the limit some other way.
A. ? B. 1 C. 0 D. -1
Mathematics
Find the center (h, k) and the radius r of the circle.x2 + y2 + 14x - 6y + 58 = 9
A. (h, k) = (3, -7), r = 3 B. (h, k) = (7, -3), r = 9 C. (h, k) = (-7, 3), r = 3 D. (h, k) = (-3, 7), r = 9
Mathematics