Solve the problem.When a person takes a drug, the body does not assimilate all of the drug. One way to determine the amount of the drug assimilated is to measure the rate at which the drug is eliminated from the body. If the rate of elimination of the drug (in milliliters per minute) is given by R(t) = 4e-0.2t - 4e-0.4t where t is the time in minutes since the drug was administered, how much of the drug is eliminated from the body?
A. 10 mL
B. 2.5 mL
C. 25 mL
D. 100 mL
Answer: A
Mathematics
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Translate to a proportion. Do not solve.What percent of 79 is 6?
A. 
= 
B. 
= 
C. 
= 
D. 
= 
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Use the given vectors to find the indicated expression.v = -5i + 3j + 3k, u = -2i + 3j + 5kFind v × (-4u).
A. -24i - 76j + 36k B. 24i + 76j - 36k C. -96i - 128j - 32k D. 6i + 9j - 9k
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Find an equation that meets the given conditions.y varies directly as x and y = 4 when x = 32
A. y = x + 28
B. y = 
x
C. y = 8x
D. y = 
x
Mathematics
Find the consumer surplus at the equilibrium point.D(x) = 4 - x, 0 ? x ? 4; x = 4
A. $16 B. $0 C. $4 D. $8
Mathematics