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 8 m3 of air.
A. D = 
The independent variable is r.
The dependent variable is V.
B. D = 
The independent variable is r.
The dependent variable is V.
C. D = 
The independent variable is V.
The dependent variable is r.
D. D = [0, 8]
The independent variable is r.
The dependent variable is V.
Answer: A
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Write the sentence as an equation. Use x to represent "a number."If ten times a number is decreased by 6, the result is 144.
A. 10x - 6 = 144 B. 6(10 - x) = 144 C. 10(x - 6) = 144 D. 6 - 10x = 144
Write the partial fraction decomposition of the rational expression.
A. 
+ 
+ 
B. 
+ 
+ 
C. 
+ 
+ 
D. 
+ 
+ 
Write the partial fraction decomposition of the rational expression.
A. 
+ 
+ 
B. 
+ 
+ 
C. 
+ 
+ 
D. 
+ 
+ 
Remove the parentheses from the expression and simplify.
What will be an ideal response?