Solve the quadratic inequality symbolically. Write your answer in interval notation.x2 - 2x - 3 < 0
A. (-1, 3)
B. (-?, -1) ? (3, ?)
C. (3, ?)
D. (-?, -1)
Answer: A
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Find the extreme values of the function subject to the given constraint.
A. Maximum: 8 at 
minimum: -8 at 
B. Maximum: 1 at 
minimum: -1 at 
C. Maximum: 1 at 
minimum: -1 at 
D. Maximum: 9 at 
minimum: -9 at 
Solve the problem.From April through December 2000, the stock price of QRS Company had a roller coaster ride. The chart below indicates the price of the stock at the beginning of each month during that period. The average rate of change in price between April and December is -$6.00 per month. Interpret this average rate of change. 
A. Between April and December, the price of the stock increases at a rate of $6.00 per month. B. Between April and December, the price of the stock decreases at a rate of $6.00 per day. C. In each month between April and December, the price of the stock decreased by $6.00. D. Between April and December, the price of the stock decreases at a rate of $6.00 per month.
Establish the identity.sin
= -cos ?
What will be an ideal response?
Find the exact value. Do not use a calculator.cos 
A. 
B. 
C. 
D. 