Solve the problem.A reflecting telescope contains a mirror shaped like a paraboloid of revolution. If the mirror is 16 inches across at its opening and is 2 feet deep, where will the light be concentrated?
A. 0.1 in. from the vertex
B. 0.3 in. from the vertex
C. 0.7 in. from the vertex
D. 8 in. from the vertex
Answer: C
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Provide an appropriate response.The gross profit inventory method:
A. all of these pertain to the gross profit inventory method B. is not used for preparing annual financial statements or calculating income taxes C. assumes the company maintains approximately the same gross profit each year D. is used for interim reports or insurance claims
Replace the question mark by < or > to make a true statement.
? 
A. < B. >
Find the zero of the linear function.f(x) = 
x - 15
A. 25 B. 9 C. -9 D. -25
Use the information given about the angle ?, to find the exact value of the indicated trigonometric function.sin ? = - 
, ? in quadrant IV Find sin 2?.
A. - 
B. 
C. 
D. - 