Determine i) the domain of the function, ii) the range of the function, iii) the domain of the inverse, and iv) the range of the inverse.f(x) = 
A. f(x): D = 
, R is all real numbers;
f-1(x): D is all real numbers, R = 
B. f(x): D = 
, R = 
;
f-1(x): D = 
, R = 
C. f(x): D = 
, R = 
;
f-1(x): D is all real numbers, R = 
D. f(x): D = 
, R = 
;
f-1(x): D = 
, R = 
Answer: B
Mathematics
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Plot the point having the given polar coordinates.
A. 
B. 
C. 
D. 
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A. -9 B. 9 C. 37 D. -37
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Write an equation that expresses the relationship. Use k for the constant of proportionality.w varies directly as a and inversely as the difference between x and y.
A. w = 
B. w = ka(x - y)
C. w = 
D. w = 
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Determine whether the equation defines y as a function of x. y = |x|
A. function B. not a function
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