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 17.5 miles?
A. 490 ft
B. 306 ft
C. 120 ft
D. 109 ft
Answer: C
Mathematics
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Solve the problem.The shape and density of a thin shell are indicated below. Find the moment of inertia about the z-axis.Shell: upper hemisphere of x2 + y2 + z2 = 16 cut by the plane z = 0Density: ? = 3
A. Iz = 96? B. Iz = 384? C. Iz = 1024? D. Iz = 48?
Mathematics
Find the probability.A bag contains 7 red marbles, 2 blue marbles, and 9 green marbles. What is the probability of choosing a blue marble?
A. 
B. 
C. 
D. 
Mathematics
Determine the linear function f(x) that is graphed.
A. f(x) = 3x + 4
B. f(x) = 
x + 4
C. f(x) = -3x + 4
D. f(x) = 
x - 3
Mathematics
Find the zeros of the function. Give exact answers.f(x) = x2 - 9x + 1
A. 
B. 
C. 
D. 
Mathematics