Solve the problem.The data below represent the average monthly cost of natural gas in an Oregon home. 
Above is the graph of 45.05 sin x superimposed over a scatter diagram of the data. Find the sinusoidal function of the form 
which best fits the data.
A. y = 45.05 sin 
+ 66.25
B. y = 45.05 sin 
+ 21.20
C. y = 45.05 sin 
+ 21.20
D. y = 45.05 sin 
+ 66.25
Answer: D
Mathematics
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Solve the equation.2(y + 2) = 3(y - 3)
A. {-13} B. {5} C. {13} D. {-5}
Mathematics
Evaluate.-22 - 
A. -41 B. 41 C. -3 D. 3
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Determine the constant of variation for the stated condition.h varies directly as f and inversely as g, and h = 3 when f = 39 and g = 52.
A. k = 4
B. k = 
C. k = 
D. k = 13
Mathematics
Solve the equation and check.
What will be an ideal response?
Mathematics