Solve the problem.The distance d in miles that can be seen on the surface of the ocean is given by d = 1.2
, 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 11.5 miles?
A. 96 ft
B. 92 ft
C. 158 ft
D. 132 ft
Answer: B
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Solve the problem.Find the volume interior to the inverted catenary kiln (an oven used to fire pottery) shown in the figure. Give an exact answer in terms of logarithms. 
A. 16(3 ln(3 + 
) + 
)
B. 16(3 ln(3 + 
) - 
)
C. 48 ln(3 + 
) - 
D. 8(3 ln(3 + 
) - 
)
Determine the size of matrix A and tell whether it is a square matrix, row matrix, column matrix, or none of these.A = 
A. 2; square matrix B. 2 × 2; square matrix C. 4; square matrix D. 1 × 2; none of these
A cone sliced by a plane results in a type of curve called a conic section. Use the given information and figure to identify the conic section produced in the plane. The plane is oblique to the axis of the cone. 
A. parabola B. ellipse C. hyperbola D. circle
Solve the problem.A flare fired from the bottom of a gorge is visible only when the flare is above the rim. If it is fired with an initial velocity of 128 ft/sec and the gorge is 192 ft deep, during what interval can the flare be seen? 
A. 6 sec < t < 10 sec B. 4 sec < t < 8 sec C. 0 sec < t < 2 sec D. 2 sec < t < 6 sec