Find the constant of proportionality k, and write the linear function relating the two variables.Suppose that Q varies directly with x and inversely with y. When Q = 3, x = 45 and y = 135.
A. k = 9; Q = 
B. k = 9; Q = 
C. k = 
; Q = 
D. k = 15; Q = 
Answer: B
Mathematics
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?2
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?2
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A. 
B. 
C. 
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A. (1.3, 0), (5.3, 0) B. (-1.3, 0), (5.3, 0) C. (1.3, 0), (-5.3, 0) D. (-1.3, 0), (-5.3, 0)
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A. - 
B. 
C. - 
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