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 8 feet across, how deep should the searchlight be?
A. 2 ft
B. 4 ft
C. 8 ft
D. 0.3 ft
Answer: A
Mathematics
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Set up an integral for the length of the curve.x = y1/3, 0 ? y ? 2
A. 
B. 
C. 
D. 
Mathematics
Let U = {1, 2, 3, 4, 5, 6, 7}, A = {1, 2, 3, 6}, B = {1, 2, 6, 7}, C = {3, 6, 7}. List all the members of the set.
?
?
A. {2, 4, 6} B. {1, 2, 6, 7} C. {1, 2, 3, 6} D. {4, 5, 6, 7} E. {6}
Mathematics
Answer the question.
Using only this graph, what are the signs of h and k?
A. Both are positive. B. h is positive and k is negative. C. Both are negative. D. h is negative and k is positive.
Mathematics
Use a calculator to find the approximate value of the expression rounded to two decimal places.sec 
A. 0.95 B. 1.19 C. 1.24 D. 1.00
Mathematics