Solve the problem.The concentration of a certain drug in the bloodstream x hours after being administered is approximately 
Use the differential to approximate the change in concentration as x changes from 1 to 1.54.
A. 0.56
B. 0.28
C. 0.24
D. 0.20
Answer: D
Mathematics
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Find the surface area or volume.Use an integral table and a calculator to find to two decimal places the area of the surface generated by revolving the curve 
about the x-axis.
A. 30.48 B. 24.84 C. 34.93 D. 42.69
Mathematics
Find the exact value of the expression.
A. -2
B. - 
C. -
D. - 
Mathematics
Graph the function.f(x) = 
A. 
B. 
C. 
D. 
Mathematics
Simplify.10log t
A. t B. 1 C. 10t D. 10t
Mathematics