Solve the problem.A searchlight is shaped like a paraboloid of revolution. If the light source is located 3 feet from the base along the axis of symmetry and the opening is 10 feet across, how deep should the searchlight be?
A. 0.5 ft
B. 8.3 ft
C. 2.1 ft
D. 6.3 ft
Answer: C
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Solve the problem.A land developer wants to develop 8 acres of land. Each lot in the development is to be 
of an acre. How many lots will the land developer have in the 8 acres?
A. 
lot
B. 1
lots
C. 2
lot(s)
D. 28 lots
Solve the problem.A surveyor is measuring the distance across a small lake. He has set up his transit on one side of the lake 110 feet from a piling that is directly across from a pier on the other side of the lake. From his transit, the angle between the piling and the pier is 65°. What is the distance between the piling and the pier to the nearest foot?
A. 51 feet B. 46 feet C. 236 feet D. 100 feet
Graph the function, showing all asymptotes (those that do not correspond to an axis) as dashed lines. List the x- and y-intercepts.f(x) = 
A. x-intercept: (1, 0) , no y-intercept ;
B. x-intercept: 
, no y-intercept ;
C. x-intercept: (0, 0) , y-intercept: (0, 0) ;
D. x-intercept: 
, no y-intercept ;
Identify the polynomial as a monomial, binomial, trinomial, or none of these.
r3s2 + 
r2s - 
rs
A. Monomial B. Binomial C. Trinomial D. None of these