Find the constant of proportionality k, and write the linear function relating the two variables.Suppose that y is inversely proportional to x. When x = 
, then y = 10.
A. k = 5; y = 
B. k = 5; y = 
C. k = 
; y = 
x
D. k = 
; y = 
Answer: B
Mathematics
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A. 10x4 - 28x3 + 21x2 + 4x - 12 B. 2x4 - 24x3 + 21x2 + 4x - 12 C. 10x4 - 24x3 + 21x2 + 4x - 12 D. 2x4 - 28x3 + 21x2 + 4x - 12
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Find the derivative of the function at the given point in the direction of A.
A. - 
B. 
C. - 
D. - 
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Find 4A.
a. 
b. 
c. 
d. 
e. 
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Solve the problem.A forest ranger at Lookout A sights a fire directly north of her position. Another ranger at Lookout B, exactly 2 kilometers directly west of A, sights the same fire at a bearing of N41.2°E. How far is the fire from Lookout A? Round your answer to the nearest 0.01 km.
A. 2.18 km B. 2.28 km C. 2.32 km D. 2.25 km
Mathematics