Solve the problem.A searchlight is shaped like a paraboloid of revolution. If the light source is located 5 feet from the base along the axis of symmetry and the opening is 8 feet across, how deep should the searchlight be?
A. 1.6 ft
B. 0.8 ft
C. 4 ft
D. 3.2 ft
Answer: B
Mathematics
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Simplify.6x - {6[5(5x - 5) - (6x + 12)] + 18}
A. -108x + 204 B. -108x - 60 C. -180x + 96 D. -180x + 60
Mathematics
Assume a triangle ABC has standard labeling. Determine whether SAA, ASA, SSA, SAS, or SSS is given. Then decide whether the law of sines or the law of cosines should be used to begin solving the triangle.b, c, and C
A. SAS; law of sines B. SSA; law of sines C. SAS; law of cosines D. SSA; law of cosines
Mathematics
Graph the function.y = 4 cot 2x
A. 
B. 
C. 
D. 
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Graph the ellipse.
+ 
= 1
A. 
B. 
C. 
D. 
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