Complete the square to write the function in the form 
f(x) = x2 + 2x - 4
A. f(x) = (x - (-1))2 - 4
B. f(x) = (x - 1)2 - 4
C. f(x) = (x - 1)2 - 5
D. f(x) = (x - (-1))2 - 5
Answer: D
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Find the function value using a calculator set in RADIAN mode. Round the answer to four decimal places, where approximate.sin 
A. 0.9504 B. 0.2225 C. 0.7524 D. 0.9749
Simplify the expression.
?
?
A. 
B. 
C. 
D. 
E. 
F. 
Solve the problem.Assume that the price per unit d of a certain item to the consumer is given by the equation 
where x is the number of units in demand. The price per unit from the supplier is given by the equation 
where x is the number of units supplied. Find the equilibrium price and the equilibrium quantity.
A. equilibrium price: $35 per unit; equilibrium quantity: 50 units B. equilibrium price: $50 per unit; equilibrium quantity: 30 units C. equilibrium price: $20 per unit; equilibrium quantity: 50 units D. equilibrium price: $30 per unit; equilibrium quantity: 50 units
Graph the linear function.h(x) = -4x
A. 
B. 
C. 
D. 