Perform the requested operation on the given function.f(x) = -3x + 1, g(x) = -2x2 - 2x - 1Find 
(-2).
A. 
B. - 
C. - 
D. - 1
Answer: B
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Solve the problem.Four married couples have reserved eight seats in a row at the theater, starting at an aisle seat. In how many ways can they arrange themselves if Maria is to sit in the aisle seat?
A. 5040 B. 40, 320 C. 7 D. 823,543
Find the equation in standard form of the parabola described.The vertex has coordinates (9, -3), and the focus has coordinates (9, -7).
A. (x - 9)2 = 16(y + 3) B. (y - 3)2 = -8(x + 9) C. (y - 3)2 = 8(x + 9) D. (x - 9)2 = -16(y + 3)
Solve the problem.Suppose f(x) = 34.1 + 1.3log (x + 1) models salinity of ocean water to depths of 
at a certain latitude. x is the depth in meters and f(x) is in grams of salt per kilogram of seawater. Approximate the depth (to the nearest tenth of a meter) where the salinity equals 36.
A. -0.9 m B. -1.0 m C. 29.9 m D. 27.9 m
Rationalize the numerator. Assume that all radicands represent positive real numbers.
A. 
B. 
C. 
D. 