Solve the problem.The distance d in miles that can be seen on the surface of the ocean is given by 
where h is the height in feet above the surface. How high (to the nearest foot) would a platform have to be to see a distance of 
A. 272
B. 408
C. 121
D. 110
Answer: C
Mathematics
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Use the distributive property to write an equivalent expression.-3(6x - 10)
A. -18x - 30 B. -18x + 10 C. 18x + 30 D. -18x + 30
Mathematics
Find the coordinates of the vertex of the quadratic function.f(x) = (x - 2)2 - 2
A. (2, 2) B. (-2, 0) C. (0, -2) D. (2, -2)
Mathematics
Find the vertices of the hyperbola.(x + 2)2 - 81(y - 3)2 = 81
A. (-7, -3) and (11, -3) B. (9, 3) and (-9, 3) C. (-11, 3) and (7, 3) D. (-10, 4) and (8, 4)
Mathematics
Using the concepts of graphing inequalities, determine the inequality which describes the graph.
A. y ? 3x + 1 B. y ? 3x + 1 C. y ? -3x + 1 D. y ? -3x + 1
Mathematics