Solve the problem.A(x) = -0.015x3 + 1.05x gives the alcohol level in an average person's bloodstream x hours after drinking 8 oz of 100-proof whiskey. If the level exceeds 1.5 units, a person is legally drunk. Find the rate of change of alcohol level with respect to time.
A. 
= -0.015x2 + 1.05
B. 
= -0.045x3 + 1.05
C. 
= -0.045x2 + 1.05x
D. 
= -0.045x2 + 1.05
Answer: D
Mathematics
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find 
a. ?0.065 b. ?0.033 c. 0.015 d. ?0.22 e. 0.044
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Solve the linear equation.-6.1x + 1.7 = -50 - 1.4x
A. {-56} B. {8.7} C. {11} D. {8.5}
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