Find the equation in standard form of the parabola described.The focus has coordinates (15, 0), and the equation of the directrix is x = -15.
A. x2 = 60y
B. y2 = 60x
C. y2 = 15x
D. y2 = -60x
Answer: B
Mathematics
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Solve the problem.The accompanying tables represent a function f that converts seconds to hours and a function g that converts hours to days.
Express (f -1?g -1)(x) symbolically.
A. (f -1?g -1)(x) = 86,400x
B. (f -1?g -1)(x) = 
C. (f -1?g -1)(x) = 
D. (f -1?g -1)(x) = 86,400x2
Mathematics
Solve the equation to find the value of n.27 = n × 3
A. 8 B. 10 C. 9 D. 11
Mathematics
Find the nth term of the geometric sequence.
, 
, 
, . . . ; n = 6
A. 
B. 
C. 
D. 
Mathematics
Solve the system of equations.
A. (- 
, 0), (
, 0), (- 
, 7), (
, 7)
B. (0, - 
), (0, 
), (7, - 
), (7, 
)
C. (- 
, 7), (
, 7)
D. (- 
, 0), (
, 0)
Mathematics