Decide whether or not the functions are inverses of each other.f(x) = 
, g(x) =
A. No
B. Yes
Answer: B
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Find the unknowns on the right side of the partial fraction decomposition.
= 
+ 
A. A = -2, B = 0, C = 1 B. A = 1, B = 0, C = -2 C. A = 1, B = -2, C = 0 D. A = -2, B = 1, C = 0
Use a double-angle identity to find the exact value of the expression.2 cos2 
- 1
A. - 
B. 
C. 
D. - 
Determine the reference angle for the given angle.? = - 
A. 
B. 
C. 
D. 
The price of a certain commodity in dollars per unit at time t (measured in weeks) is given by
?
.
?
Find the equilibrium price of the commodity.
(Hint: It's given by 
. Also, use the fact that 
.)
?
A. The equilibrium price of the commodity is $12.
B. The equilibrium price of the commodity is $20.
C. The equilibrium price of the commodity is $15.
D. The equilibrium price of the commodity is $6.