Solve the problem.A reflecting telescope contains a mirror shaped like a paraboloid of revolution. If the mirror is 24 inches across at its opening and is 4 feet deep, where will the light be concentrated?
A. 0.8 in. from the vertex
B. 0.7 in. from the vertex
C. 9 in. from the vertex
D. 0.3 in. from the vertex
Answer: A
Mathematics
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Use a trigonometric substitution to evaluate the integral.
A. ln 6 - ln(1 + 
)
B. ln 
C. ln (e3 + 
)
D. ln(3 + 
) - ln(1 + 
)
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Find the probability.Determine the probability that the spinner lands on white.
A. 
B. 
C. 
D. 
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Simplify.
÷ 
÷ 
A. 
B. 
C. 
D. 
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Does the graph represent a function that has an inverse function?
A. Yes B. No
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