Solve the problem.A searchlight is shaped like a paraboloid of revolution. If the light source is located 2 feet from the base along the axis of symmetry and the opening is 14 feet across, how deep should the searchlight be?
A. 0.1 ft
B. 6.1 ft
C. 24.5 ft
D. 12.3 ft
Answer: B
Mathematics
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Determine the row operation that was used on the first matrix to obtain the second matrix.
, 
What will be an ideal response?
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Solve the equation. Give an exact solution.ln x - ln(x - 4) = ln 4
A. 0
B. 
C. 
D. no solution
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The graph of y = f(x) is given. Use the graph to find the function value.
Find f(4).
A. 4 B. -1 C. 15 D. None of these
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Find the indicated term of the sequence.The eleventh term of the arithmetic sequence 6, 4, 2, ...
A. 28 B. -14 C. 26 D. -16
Mathematics