Describe the level surfaces for the given function.f(x, y, z) = 
A. Ellipsoids
B. Hyperboloids of two sheets
C. Hyperboloids of one sheet
D. Paraboloids
Answer: C
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Obtain the five-number summary for the given data.The normal annual precipitation (in inches) is given below for 21 different U.S. cities.
A. 5.1, 13.650, 22.4, 30.725, 51.7 B. 5.1, 14.20, 21.50, 31.80, 51.7 C. 5.1, 14.20, 22.4, 31.80, 51.7 D. 5.1, 13.650, 21.50, 30.725, 51.7
Determine an appropriate domain of the function. Identify the independent and dependent variables.A weather balloon of radius r (in meters) is filled with air. The volume V of the balloon is given by the function 
. Assume the balloon can hold up to 16 m3 of air.
A. D = [0, 16]
The independent variable is r.
The dependent variable is V.
B. D = 
The independent variable is V.
The dependent variable is r.
C. D = 
The independent variable is r.
The dependent variable is V.
D. D = 
The independent variable is r.
The dependent variable is V.
Solve the problem.A small toy company that only makes action figures is owned by its stockholders. The dividend per share of stock is a function of the number of action figures it sells and is defined by 
where x is the number of action figures sold. What is the dividend for each share of stock if 1350 action figures are sold?
A. -$268.48 B. $1.59 C. $1.46 D. -$1.46
Convert to a logarithmic equation.(p4)5 = p20
A. 5 = logp20 p4 B. p = log45 45p C. 20 = logp4 p20 D. 5 = logp4 p20