Evaluate the expression.r - 
, if r = 
A. - 
B. 
C. 
D. 5
Answer: B
Mathematics
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Solve the problem.If f varies jointly as q2 and h, and f = -64 when q = 4 and h = -2, find k.
A. k = 3 B. k = 4 C. k = -2 D. k = 2
Mathematics
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 is all real numbers, R is all real numbers;
f-1(x): D is all real numbers, R is all real numbers
B. f(x): D = {x|x ? 1}, R = {y ? 0};
f-1(x): D = {x|x ? 0}, R = {y|y ? 1}
C. f(x): D is all real numbers, R = 
;
f-1(x): D = 
, R is all real numbers
D. f(x): D = 
, R = 
;
f-1(x): D = 
, R = 
Mathematics
Graph the hyperbola.9x2 - y2 = 9
A. 
B. 
C. 
D. 
Mathematics
Multiply.(230)(30)
A. 6,900 B. 6,896 C. 6,890 D. 6,910
Mathematics