Establish the identity.
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What will be an ideal response?
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Multiply or divide as indicated. Write the answer in lowest terms. 
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A. 
B. 
C. 
D. - 
Find the product of the following number.
(3 + 7j) ú (4 - 5j) a. 12 + 13j b. 12 - 13j c. 47 + 13j
The price of a certain commodity in dollars per unit at time t (measured in weeks) is given by
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.
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Find the equilibrium price of the commodity.
(Hint: It's given by 
. Also, use the fact that 
.)
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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.
Find a polynomial function of lowest degree with rational coefficients that has the given numbers as some of its zeros.3 - 
, 1 + i
A. f(x) = x4 - 3x3 + 20x2 - 12x + 12 B. f(x) = x4 + 10x3 + 20x2 - 24x + 12 C. f(x) = x4 + 8x3 - 20x2 + 24x + 10 D. f(x) = x4 - 8x3 + 20x2 - 24x + 12