Evaluate the integral by making a substitution and then using a table of integrals.
d?
A. - 
ln
+ C
B. - 
ln
+ C
C. - 
ln
+ C
D. - 
ln
+ C
Answer: D
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Find cos(A + B).cos A = 
and 
, where 
and 
.
A. - 
B. 
C. - 
D. 
For the given function, find all asymptotes of the type indicated (if there are any)f(x) = 
, horizontal
A. y = x B. y = 0 C. y = 9 D. None
Solve the problem.A person with no more than $4000 to invest plans to place the money in two investments, telecommunications and pharmaceuticals. The telecommunications investment is to be no more than 3 times the pharmaceuticals investment. Write a system of inequalities to describe the situation. Let 
to be invested in telecommunications and 
to be invested in pharmaceuticals.
A. x + y = 4000 x ? 3y x ? 0 y ? 0 B. x + y = 4000 y ? 3x x ? 0 y ? 0 C. x + y ? 4000 3x ? y x ? 0 y ? 0 D. x + y ? 4000 x ? 3y x ? 0 y ? 0