Describe the graph of the polar equation. r2sin 2? = 42
A. Parabola centered at the origin opening to the right
B. Hyperbola with asymptotes y = ±21x
C. Parabola centered at the origin opening upward
D. Hyperbola with the x- and y-axes as asymptotes
Answer: D
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Solve the problem.The map shows the states Tennessee, Alabama, Georgia, and Mississippi. Find a route that starts in Mississippi and crosses each common state border exactly one time.
A. MS ? TN? AL ? MS ? GA B. No such route exists. C. MS ? AL ? TN ? GA ? MS ? TN D. MS ? TN ? GA ? MS ? TN ? AL
Solve the problem.Find the extreme values of 
subject to 
and 
A. Maximum: none; minimum: 
at 
B. Maximum: none; minimum: 
at 
C. Maximum: none; minimum: 
at 
D. Maximum: none; minimum: 
at 
Answer the question.True or False: The point at which a line crosses the x-axis, where y is zero, is called the 
A. True B. False
Find the surface area of the figure. Use 3.14 as an approximation for ?. Round your result to the nearest tenth.A stand cut from a right regular cone as shown below.
S = ?r 
+ ?r2 Lateral surface area of entire cone = 188.40 ft2 Lateral surface area of missing cone = 112.34 ft2
A. 162.6 ft2 B. 301.4 ft2 C. 76.1 ft2 D. 239.3 ft2