Simplify the expression.
A. 
B. 17
C. 
D. 73
Answer: C
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Evaluate the integral.
dx
A. e(6 sin 5x) + C
B. 
ln
+ C
C. 6 ln
+ C
D. 
e(6 sin 5x) + C
A drug is carried into an organ of volume 
cm3 by a liquid that enters the organ at the rate of p cm3/sec and leaves it at the rate of q cm3/sec. The concentration of the drug in the liquid entering the organ is r g/cm3. If the concentration of the drug in the organ at time 
is increasing at the rate of
?
?g/cm3/sec, and the concentration of the drug in the organ initially is 
g/cm3, find the concentration of the drug in the organ at time 
.
?
A. 
B. 
C. 
D. 
Solve the problem.Is there y-axis symmetry for the rational function f(x) = 
?
A. Yes B. No
Approximate the value using a calculator. Express answer rounded to three decimal places.e?
A. 8.540 B. 5.860 C. 22.459 D. 23.141