Use power series operations to find the Taylor series at x = 0 for the given function.f(x) = 
A. 
B. 
C. 
D. 
Answer: C
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The concentration of a drug in an organ at any time t (in seconds) is given by 
where 
is measured in grams/cubic centimeter
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?
How long would it take for the concentration of the drug in the organ to reach 0.15
?
?
How long would it take for the concentration of the drug in the organ to reach 0.12?
?
Round your answer to the nearest hundredth.
?
A. 3.17 seconds; 15.11 seconds
B. 3.18 seconds; 15.07 seconds
C. 3.16 seconds; 15.10 seconds
D. 3.21 seconds; 15.05 seconds
The biological half-life of the asthma medication theophylline is 4.5 hours for smokers. Find the amount of the drug retained in a smoker's system 12 hours after a dose of 1 unit is taken. Round your answer to three decimal places. ?
A. 0.375 units B. 0.157 units C. 0.000 units D. 0.771 units E. 0.530 units
Give all possible rational zeros for the polynomial.f(x) = -2x4 + 2x3 + 5x2 + 18
A. ±1, ±2, ±3, ±6, ±9, ±18
B. ±1, ±2, ± 
, ± 
, ± 
, ± 
, ± 
C. ±1, ± 
, ±2, ±3, ±6, ±9, ±18
D. ±1, ± 
, ±2, ±3, ± 
, ±6, ±9, ± 
, ±18
Use the order of operations to simplify the expression.
? 
? 9
A. 2
B. 
C. 
D. 1