Solve the inverse variation.If m varies inversely as n and n is 6 when m is 12, what is n when m is 4?
A. 2
B. 12
C. 0.5
D. 18
Answer: D
Mathematics
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Solve.At the start of a chemistry experiment, Sarah measured the temperature of a liquid to be 
At the end of the experiment, it had risen 
What was the liquid's temperature at the end of the experiment?
A. -37°C B. -47°C C. 37°C D. 47°C
Mathematics
Find the local extrema of the function, if they exist.f(x) = 
A. No local extrema exist
B. Local maximum at 
; Local minimum at 
C. Local maximum at (0, 2); Local minimum at 
D. Local minimum at 
; Local maximum at 
Mathematics
Find the domain of the function.h(x) = 
A. (-?, -3) ? (-3, ?) B. (-?, 0) ? (0, ?) C. (-?, ?) D. (-?, 3)
Mathematics
Simplify the expression involving rational exponents.100-5/2
A. Not a real number
B. 
C. - 250
D. -100,000
Mathematics