Solve the problem.A drug is injected into a patient and the concentration of the drug is monitored. The drug's concentration, C(t), in milligrams per liter after t hours is modeled by C(t) = 
.Estimate the drug's concentration after 2 hours. (Round to the nearest hundredth.)
A. 0.98 milligrams per liter
B. 1.71 milligrams per liter
C. 0.92 milligrams per liter
D. 1.77 milligrams per liter
Answer: C
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Solve the problem. Unless stated otherwise, assume that the projectile flight is ideal, that the launch angle is measured from the horizontal, and that the projectile is launched from the origin over a horizontal surfaceA baseball is hit when it is 2.1 ft above the ground. It leaves the bat with an initial velocity of 
at a launch angle of 21°. At the instant the ball is hit, an instantaneous gust of wind blows against the ball, adding a component of -14.4i (ft/sec) to the ball's initial velocity. How high does the baseball go? Round your answer to the nearest tenth.
A. 48.4 ft B. 40.7 ft C. 38.7 ft D. 36.6 ft
Solve the initial value problem.
= 
, x > 1, y(2) = -2?
A. y = 5 sec-1 x
B. y = 5 sin-1 x - 2?
C. y = 5 sec-1 x - 
?
D. y = 5 csc-1 x + 
?
Solve the logarithmic equation.log4 (x - 6) + log4 (x - 6) = 1
A. 8
B. -8, 8
C. 
D. -
, 
The numbers {0, -3, 1.7, , 11} are examples of what set of numbers?
a. Integers b. Rational numbers c. Irrational numbers d. Real numbers