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 4 m3 of air.
A. D = 
The independent variable is V.
The dependent variable is r.
B. D = [0, 4]
The independent variable is r.
The dependent variable is V.
C. D = 
The independent variable is r.
The dependent variable is V.
D. D = 
The independent variable is r.
The dependent variable is V.
Answer: C
Mathematics
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Divide.
A. 
- 
i
B. - 
+ 
i
C. - 
- 
i
D. 
+ 
i
Mathematics
Solve the problem.The product of a number and 8 less than the number is 65. Find the number.
A. -14 or 4 B. -4 or 14 C. -5 or 13 D. -13 or 5
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Perform the indicated operation or operations.- 
+ 
A. 
B. - 
C. - 
D. - 1
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Solve the equation over the interval [0, 2?).sin x cos x = 
A. 
B. 
C. 
D. {0}
Mathematics