Solve the problem.Many people suffering from constricted bronchial muscles inhale the drug Albuterol for relief. The number of micrograms A of Albuterol in a person's bloodstream t minutes after 200 micrograms have been inhaled can be approximated by  A = -50t2 + 200t.How long after an inhalation will there be about 192 micrograms of Albuterol in the bloodstream? Round to the nearest tenth of a minute.

A. 1.7 min, 2.3 min
B. 1.8 min, 2.2 min
C. 1.6 min, 2.4 min
D. 1.9 min, 2.1 min


Answer: C

Mathematics

You might also like to view...

Obtain the Cartesian equation of the curve by eliminating the parameter.x = 5 tan ?, y = 4 cot ?

A. y =  cos x
B.  = 20
C. xy = 20
D. y =  sin x

Mathematics

Divide.0.6 ÷ 0.02

A. 3 B. 0.3 C. 0.03 D. 30

Mathematics

Determine whether the statement is an expression or an equation.8m + 8 = 4m + 44

A. Equation B. Expression

Mathematics

Find the length of the line segment. 

A. 2
B. 6
C. 12
D. 12

Mathematics