Use the formula for the sum of the first n terms of a geometric sequence to solve.Find the sum of the first 11 terms of the geometric sequence: -7, -14, -28, -56, -112, . . . .
A. -14,292
B. -14,327
C. -14,329
D. -14,349
Answer: C
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The table of values was generated by a graphing utility with a TABLE feature. Use the following table to solve. 
Which equation corresponds to Y2 in the table?
A. y2 = x + 3 B. y2 = 3x - 2 C. y2 = 3 - 2x D. y2 = 2x + 3
Solve the problem.The matrices give points and rebounds for five players in two games. Find the matrix that gives the averages.
A. 
B. 
C. 
D. 
Solve the problem.The concentration C (arbitrary units) of a certain drug in a patient's bloodstream can be modeled using 
where t is the number of hours since a 500 milligram oral dose was administered. Using the TABLE feature of a graphing utility, find the time at which the concentration of the drug is greatest. Round to the nearest tenth of an hour.
A. 2.6 hours B. 4.9 hours C. 4.1 hours D. 3.4 hours
Factor the polynomial as the sum or difference of two cubes.64x3 - 1
A. (64x - 1)(x2 + 4x + 1) B. (4x + 1)(16x2 - 4x + 1) C. (4x - 1)(16x2 + 1) D. (4x - 1)(16x2 + 4x + 1)